28979028

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{3259}}^1$

素因数の和:3301

約数の個数: 72

約数和(自身を含む): 83064800

約数和(自身を除く): 54085772

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 19, 26, 36, 38, 39, 52, 57, 76, 78, 114, 117, 156, 171, 228, 234, 247, 342, 468, 494, 684, 741, 988, 1482, 2223, 2964, 3259, 4446, 6518, 8892, 9777, 13036, 19554, 29331, 39108, 42367, 58662, 61921, 84734, 117324, 123842, 127101, 169468, 185763, 247684, 254202, 371526, 381303, 508404, 557289, 743052, 762606, 804973, 1114578, 1525212, 1609946, 2229156, 2414919, 3219892, 4829838, 7244757, 9659676, 14489514, 28979028]

約数ペア:

[(1, 28979028), (2, 14489514), (3, 9659676), (4, 7244757), (6, 4829838), (9, 3219892), (12, 2414919), (13, 2229156), (18, 1609946), (19, 1525212), (26, 1114578), (36, 804973), (38, 762606), (39, 743052), (52, 557289), (57, 508404), (76, 381303), (78, 371526), (114, 254202), (117, 247684), (156, 185763), (171, 169468), (228, 127101), (234, 123842), (247, 117324), (342, 84734), (468, 61921), (494, 58662), (684, 42367), (741, 39108), (988, 29331), (1482, 19554), (2223, 13036), (2964, 9777), (3259, 8892), (4446, 6518)]