388751528

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{631}}^1\times {\mathrm{7001}}^1$

素因数の和:7649

約数の個数: 32

約数和(自身を含む): 796547520

約数和(自身を除く): 407795992

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 631, 1262, 2524, 5048, 6941, 7001, 13882, 14002, 27764, 28004, 55528, 56008, 77011, 154022, 308044, 616088, 4417631, 8835262, 17670524, 35341048, 48593941, 97187882, 194375764, 388751528]

約数ペア:

[(1, 388751528), (2, 194375764), (4, 97187882), (8, 48593941), (11, 35341048), (22, 17670524), (44, 8835262), (88, 4417631), (631, 616088), (1262, 308044), (2524, 154022), (5048, 77011), (6941, 56008), (7001, 55528), (13882, 28004), (14002, 27764)]