28873908

素因数分解:

$2^2\times 3^4\times 7^1\times {\mathrm{29}}^1\times {\mathrm{439}}^1$

素因数の和:491

約数の個数: 120

約数和(自身を含む): 89443200

約数和(自身を除く): 60569292

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 29, 36, 42, 54, 58, 63, 81, 84, 87, 108, 116, 126, 162, 174, 189, 203, 252, 261, 324, 348, 378, 406, 439, 522, 567, 609, 756, 783, 812, 878, 1044, 1134, 1218, 1317, 1566, 1756, 1827, 2268, 2349, 2436, 2634, 3073, 3132, 3654, 3951, 4698, 5268, 5481, 6146, 7308, 7902, 9219, 9396, 10962, 11853, 12292, 12731, 15804, 16443, 18438, 21924, 23706, 25462, 27657, 32886, 35559, 36876, 38193, 47412, 50924, 55314, 65772, 71118, 76386, 82971, 89117, 110628, 114579, 142236, 152772, 165942, 178234, 229158, 248913, 267351, 331884, 343737, 356468, 458316, 497826, 534702, 687474, 802053, 995652, 1031211, 1069404, 1374948, 1604106, 2062422, 2406159, 3208212, 4124844, 4812318, 7218477, 9624636, 14436954, 28873908]

約数ペア:

[(1, 28873908), (2, 14436954), (3, 9624636), (4, 7218477), (6, 4812318), (7, 4124844), (9, 3208212), (12, 2406159), (14, 2062422), (18, 1604106), (21, 1374948), (27, 1069404), (28, 1031211), (29, 995652), (36, 802053), (42, 687474), (54, 534702), (58, 497826), (63, 458316), (81, 356468), (84, 343737), (87, 331884), (108, 267351), (116, 248913), (126, 229158), (162, 178234), (174, 165942), (189, 152772), (203, 142236), (252, 114579), (261, 110628), (324, 89117), (348, 82971), (378, 76386), (406, 71118), (439, 65772), (522, 55314), (567, 50924), (609, 47412), (756, 38193), (783, 36876), (812, 35559), (878, 32886), (1044, 27657), (1134, 25462), (1218, 23706), (1317, 21924), (1566, 18438), (1756, 16443), (1827, 15804), (2268, 12731), (2349, 12292), (2436, 11853), (2634, 10962), (3073, 9396), (3132, 9219), (3654, 7902), (3951, 7308), (4698, 6146), (5268, 5481)]