8180860247

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{487}}^1\times {\mathrm{821}}^1$

素因数の和:1431

約数の個数: 32

約数和(自身を含む): 9755627520

約数和(自身を除く): 1574767273

約数列:

[1, 7, 37, 79, 259, 487, 553, 821, 2923, 3409, 5747, 18019, 20461, 30377, 38473, 64859, 126133, 212639, 269311, 399827, 454013, 1423501, 2399783, 2798789, 9964507, 14793599, 16798481, 31586333, 103555193, 221104331, 1168694321, 8180860247]

約数ペア:

[(1, 8180860247), (7, 1168694321), (37, 221104331), (79, 103555193), (259, 31586333), (487, 16798481), (553, 14793599), (821, 9964507), (2923, 2798789), (3409, 2399783), (5747, 1423501), (18019, 454013), (20461, 399827), (30377, 269311), (38473, 212639), (64859, 126133)]