71219696

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{1697}}^1$

素因数の和:1809

約数の個数: 40

約数和(自身を含む): 143596464

約数和(自身を除く): 72376768

約数列:

[1, 2, 4, 8, 16, 43, 61, 86, 122, 172, 244, 344, 488, 688, 976, 1697, 2623, 3394, 5246, 6788, 10492, 13576, 20984, 27152, 41968, 72971, 103517, 145942, 207034, 291884, 414068, 583768, 828136, 1167536, 1656272, 4451231, 8902462, 17804924, 35609848, 71219696]

約数ペア:

[(1, 71219696), (2, 35609848), (4, 17804924), (8, 8902462), (16, 4451231), (43, 1656272), (61, 1167536), (86, 828136), (122, 583768), (172, 414068), (244, 291884), (344, 207034), (488, 145942), (688, 103517), (976, 72971), (1697, 41968), (2623, 27152), (3394, 20984), (5246, 13576), (6788, 10492)]