28043928

素因数分解:

$2^3\times 3^3\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{37}}^1$

素因数の和:103

約数の個数: 192

約数和(自身を含む): 90972000

約数和(自身を除く): 62928072

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 18, 22, 24, 27, 29, 33, 36, 37, 44, 54, 58, 66, 72, 74, 87, 88, 99, 108, 111, 116, 121, 132, 148, 174, 198, 216, 222, 232, 242, 261, 264, 296, 297, 319, 333, 348, 363, 396, 407, 444, 484, 522, 594, 638, 666, 696, 726, 783, 792, 814, 888, 957, 968, 999, 1044, 1073, 1089, 1188, 1221, 1276, 1332, 1452, 1566, 1628, 1914, 1998, 2088, 2146, 2178, 2376, 2442, 2552, 2664, 2871, 2904, 3132, 3219, 3256, 3267, 3509, 3663, 3828, 3996, 4292, 4356, 4477, 4884, 5742, 6264, 6438, 6534, 7018, 7326, 7656, 7992, 8584, 8613, 8712, 8954, 9657, 9768, 10527, 10989, 11484, 11803, 12876, 13068, 13431, 14036, 14652, 17226, 17908, 19314, 21054, 21978, 22968, 23606, 25752, 26136, 26862, 28072, 28971, 29304, 31581, 34452, 35409, 35816, 38628, 40293, 42108, 43956, 47212, 53724, 57942, 63162, 68904, 70818, 77256, 80586, 84216, 87912, 94424, 94743, 106227, 107448, 115884, 120879, 126324, 129833, 141636, 161172, 189486, 212454, 231768, 241758, 252648, 259666, 283272, 318681, 322344, 378972, 389499, 424908, 483516, 519332, 637362, 757944, 778998, 849816, 967032, 1038664, 1168497, 1274724, 1557996, 2336994, 2549448, 3115992, 3505491, 4673988, 7010982, 9347976, 14021964, 28043928]

約数ペア:

[(1, 28043928), (2, 14021964), (3, 9347976), (4, 7010982), (6, 4673988), (8, 3505491), (9, 3115992), (11, 2549448), (12, 2336994), (18, 1557996), (22, 1274724), (24, 1168497), (27, 1038664), (29, 967032), (33, 849816), (36, 778998), (37, 757944), (44, 637362), (54, 519332), (58, 483516), (66, 424908), (72, 389499), (74, 378972), (87, 322344), (88, 318681), (99, 283272), (108, 259666), (111, 252648), (116, 241758), (121, 231768), (132, 212454), (148, 189486), (174, 161172), (198, 141636), (216, 129833), (222, 126324), (232, 120879), (242, 115884), (261, 107448), (264, 106227), (296, 94743), (297, 94424), (319, 87912), (333, 84216), (348, 80586), (363, 77256), (396, 70818), (407, 68904), (444, 63162), (484, 57942), (522, 53724), (594, 47212), (638, 43956), (666, 42108), (696, 40293), (726, 38628), (783, 35816), (792, 35409), (814, 34452), (888, 31581), (957, 29304), (968, 28971), (999, 28072), (1044, 26862), (1073, 26136), (1089, 25752), (1188, 23606), (1221, 22968), (1276, 21978), (1332, 21054), (1452, 19314), (1566, 17908), (1628, 17226), (1914, 14652), (1998, 14036), (2088, 13431), (2146, 13068), (2178, 12876), (2376, 11803), (2442, 11484), (2552, 10989), (2664, 10527), (2871, 9768), (2904, 9657), (3132, 8954), (3219, 8712), (3256, 8613), (3267, 8584), (3509, 7992), (3663, 7656), (3828, 7326), (3996, 7018), (4292, 6534), (4356, 6438), (4477, 6264), (4884, 5742)]