28339272

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{137}}^1$

素因数の和:192

約数の個数: 144

約数和(自身を含む): 88641540

約数和(自身を除く): 60302268

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 17, 18, 24, 26, 34, 36, 39, 51, 52, 68, 72, 78, 102, 104, 117, 136, 137, 153, 156, 169, 204, 221, 234, 274, 306, 312, 338, 408, 411, 442, 468, 507, 548, 612, 663, 676, 822, 884, 936, 1014, 1096, 1224, 1233, 1326, 1352, 1521, 1644, 1768, 1781, 1989, 2028, 2329, 2466, 2652, 2873, 3042, 3288, 3562, 3978, 4056, 4658, 4932, 5304, 5343, 5746, 6084, 6987, 7124, 7956, 8619, 9316, 9864, 10686, 11492, 12168, 13974, 14248, 15912, 16029, 17238, 18632, 20961, 21372, 22984, 23153, 25857, 27948, 30277, 32058, 34476, 41922, 42744, 46306, 51714, 55896, 60554, 64116, 68952, 69459, 83844, 90831, 92612, 103428, 121108, 128232, 138918, 167688, 181662, 185224, 206856, 208377, 242216, 272493, 277836, 363324, 393601, 416754, 544986, 555672, 726648, 787202, 833508, 1089972, 1180803, 1574404, 1667016, 2179944, 2361606, 3148808, 3542409, 4723212, 7084818, 9446424, 14169636, 28339272]

約数ペア:

[(1, 28339272), (2, 14169636), (3, 9446424), (4, 7084818), (6, 4723212), (8, 3542409), (9, 3148808), (12, 2361606), (13, 2179944), (17, 1667016), (18, 1574404), (24, 1180803), (26, 1089972), (34, 833508), (36, 787202), (39, 726648), (51, 555672), (52, 544986), (68, 416754), (72, 393601), (78, 363324), (102, 277836), (104, 272493), (117, 242216), (136, 208377), (137, 206856), (153, 185224), (156, 181662), (169, 167688), (204, 138918), (221, 128232), (234, 121108), (274, 103428), (306, 92612), (312, 90831), (338, 83844), (408, 69459), (411, 68952), (442, 64116), (468, 60554), (507, 55896), (548, 51714), (612, 46306), (663, 42744), (676, 41922), (822, 34476), (884, 32058), (936, 30277), (1014, 27948), (1096, 25857), (1224, 23153), (1233, 22984), (1326, 21372), (1352, 20961), (1521, 18632), (1644, 17238), (1768, 16029), (1781, 15912), (1989, 14248), (2028, 13974), (2329, 12168), (2466, 11492), (2652, 10686), (2873, 9864), (3042, 9316), (3288, 8619), (3562, 7956), (3978, 7124), (4056, 6987), (4658, 6084), (4932, 5746), (5304, 5343)]