661337173

素因数分解:

$7^2\times {\mathrm{61}}^1\times {\mathrm{97}}^1\times {\mathrm{2281}}^1$

素因数の和:2453

約数の個数: 24

約数和(自身を含む): 790329624

約数和(自身を除く): 128992451

約数列:

[1, 7, 49, 61, 97, 427, 679, 2281, 2989, 4753, 5917, 15967, 41419, 111769, 139141, 221257, 289933, 973987, 1548799, 6817909, 10841593, 13496677, 94476739, 661337173]

約数ペア:

[(1, 661337173), (7, 94476739), (49, 13496677), (61, 10841593), (97, 6817909), (427, 1548799), (679, 973987), (2281, 289933), (2989, 221257), (4753, 139141), (5917, 111769), (15967, 41419)]