389365456

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{113}}^1\times {\mathrm{6947}}^1$

素因数の和:7099

約数の個数: 40

約数和(自身を含む): 785735424

約数和(自身を除く): 396369968

約数列:

[1, 2, 4, 8, 16, 31, 62, 113, 124, 226, 248, 452, 496, 904, 1808, 3503, 6947, 7006, 13894, 14012, 27788, 28024, 55576, 56048, 111152, 215357, 430714, 785011, 861428, 1570022, 1722856, 3140044, 3445712, 6280088, 12560176, 24335341, 48670682, 97341364, 194682728, 389365456]

約数ペア:

[(1, 389365456), (2, 194682728), (4, 97341364), (8, 48670682), (16, 24335341), (31, 12560176), (62, 6280088), (113, 3445712), (124, 3140044), (226, 1722856), (248, 1570022), (452, 861428), (496, 785011), (904, 430714), (1808, 215357), (3503, 111152), (6947, 56048), (7006, 55576), (13894, 28024), (14012, 27788)]