28608918

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{431}}^1$

素因数の和:509

約数の個数: 64

約数和(自身を含む): 66189312

約数和(自身を除く): 37580394

約数列:

[1, 2, 3, 6, 13, 23, 26, 37, 39, 46, 69, 74, 78, 111, 138, 222, 299, 431, 481, 598, 851, 862, 897, 962, 1293, 1443, 1702, 1794, 2553, 2586, 2886, 5106, 5603, 9913, 11063, 11206, 15947, 16809, 19826, 22126, 29739, 31894, 33189, 33618, 47841, 59478, 66378, 95682, 128869, 207311, 257738, 366781, 386607, 414622, 621933, 733562, 773214, 1100343, 1243866, 2200686, 4768153, 9536306, 14304459, 28608918]

約数ペア:

[(1, 28608918), (2, 14304459), (3, 9536306), (6, 4768153), (13, 2200686), (23, 1243866), (26, 1100343), (37, 773214), (39, 733562), (46, 621933), (69, 414622), (74, 386607), (78, 366781), (111, 257738), (138, 207311), (222, 128869), (299, 95682), (431, 66378), (481, 59478), (598, 47841), (851, 33618), (862, 33189), (897, 31894), (962, 29739), (1293, 22126), (1443, 19826), (1702, 16809), (1794, 15947), (2553, 11206), (2586, 11063), (2886, 9913), (5106, 5603)]