7217756

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{251}}^1$

素因数の和:354

約数の個数: 48

約数和(自身を含む): 15805440

約数和(自身を除く): 8587684

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 79, 91, 158, 182, 251, 316, 364, 502, 553, 1004, 1027, 1106, 1757, 2054, 2212, 3263, 3514, 4108, 6526, 7028, 7189, 13052, 14378, 19829, 22841, 28756, 39658, 45682, 79316, 91364, 138803, 257777, 277606, 515554, 555212, 1031108, 1804439, 3608878, 7217756]

約数ペア:

[(1, 7217756), (2, 3608878), (4, 1804439), (7, 1031108), (13, 555212), (14, 515554), (26, 277606), (28, 257777), (52, 138803), (79, 91364), (91, 79316), (158, 45682), (182, 39658), (251, 28756), (316, 22841), (364, 19829), (502, 14378), (553, 13052), (1004, 7189), (1027, 7028), (1106, 6526), (1757, 4108), (2054, 3514), (2212, 3263)]