398642974895

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{991}}^1\times {\mathrm{384941}}^1$

素因数の和:385967

約数の個数: 32

約数和(自身を含む): 549881948160

約数和(自身を除く): 151238973265

約数列:

[1, 5, 11, 19, 55, 95, 209, 991, 1045, 4955, 10901, 18829, 54505, 94145, 207119, 384941, 1035595, 1924705, 4234351, 7313879, 21171755, 36569395, 80452669, 381476531, 402263345, 1907382655, 4196241841, 7248054089, 20981209205, 36240270445, 79728594979, 398642974895]

約数ペア:

[(1, 398642974895), (5, 79728594979), (11, 36240270445), (19, 20981209205), (55, 7248054089), (95, 4196241841), (209, 1907382655), (991, 402263345), (1045, 381476531), (4955, 80452669), (10901, 36569395), (18829, 21171755), (54505, 7313879), (94145, 4234351), (207119, 1924705), (384941, 1035595)]