161657264

素因数分解:

$2^4\times {\mathrm{103}}^1\times {\mathrm{233}}^1\times {\mathrm{421}}^1$

素因数の和:765

約数の個数: 40

約数和(自身を含む): 318363552

約数和(自身を除く): 156706288

約数列:

[1, 2, 4, 8, 16, 103, 206, 233, 412, 421, 466, 824, 842, 932, 1648, 1684, 1864, 3368, 3728, 6736, 23999, 43363, 47998, 86726, 95996, 98093, 173452, 191992, 196186, 346904, 383984, 392372, 693808, 784744, 1569488, 10103579, 20207158, 40414316, 80828632, 161657264]

約数ペア:

[(1, 161657264), (2, 80828632), (4, 40414316), (8, 20207158), (16, 10103579), (103, 1569488), (206, 784744), (233, 693808), (412, 392372), (421, 383984), (466, 346904), (824, 196186), (842, 191992), (932, 173452), (1648, 98093), (1684, 95996), (1864, 86726), (3368, 47998), (3728, 43363), (6736, 23999)]