15559856

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{239}}^1\times {\mathrm{313}}^1$

素因数の和:573

約数の個数: 40

約数和(自身を含む): 32706240

約数和(自身を除く): 17146384

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 239, 313, 478, 626, 956, 1252, 1912, 2504, 3107, 3824, 4069, 5008, 6214, 8138, 12428, 16276, 24856, 32552, 49712, 65104, 74807, 149614, 299228, 598456, 972491, 1196912, 1944982, 3889964, 7779928, 15559856]

約数ペア:

[(1, 15559856), (2, 7779928), (4, 3889964), (8, 1944982), (13, 1196912), (16, 972491), (26, 598456), (52, 299228), (104, 149614), (208, 74807), (239, 65104), (313, 49712), (478, 32552), (626, 24856), (956, 16276), (1252, 12428), (1912, 8138), (2504, 6214), (3107, 5008), (3824, 4069)]