15721994428

素因数分解:

$2^2\times 7^1\times {\mathrm{251}}^1\times {\mathrm{2237051}}^1$

素因数の和:2237313

約数の個数: 24

約数和(自身を含む): 31569277824

約数和(自身を除く): 15847283396

約数列:

[1, 2, 4, 7, 14, 28, 251, 502, 1004, 1757, 3514, 7028, 2237051, 4474102, 8948204, 15659357, 31318714, 62637428, 561499801, 1122999602, 2245999204, 3930498607, 7860997214, 15721994428]

約数ペア:

[(1, 15721994428), (2, 7860997214), (4, 3930498607), (7, 2245999204), (14, 1122999602), (28, 561499801), (251, 62637428), (502, 31318714), (1004, 15659357), (1757, 8948204), (3514, 4474102), (7028, 2237051)]