681036752

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{89989}}^1$

素因数の和:90051

約数の個数: 40

約数和(自身を含む): 1472956320

約数和(自身を除く): 791919568

約数列:

[1, 2, 4, 8, 11, 16, 22, 43, 44, 86, 88, 172, 176, 344, 473, 688, 946, 1892, 3784, 7568, 89989, 179978, 359956, 719912, 989879, 1439824, 1979758, 3869527, 3959516, 7739054, 7919032, 15478108, 15838064, 30956216, 42564797, 61912432, 85129594, 170259188, 340518376, 681036752]

約数ペア:

[(1, 681036752), (2, 340518376), (4, 170259188), (8, 85129594), (11, 61912432), (16, 42564797), (22, 30956216), (43, 15838064), (44, 15478108), (86, 7919032), (88, 7739054), (172, 3959516), (176, 3869527), (344, 1979758), (473, 1439824), (688, 989879), (946, 719912), (1892, 359956), (3784, 179978), (7568, 89989)]