81931226

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{21149}}^1$

素因数の和:21313

約数の個数: 16

約数和(自身を含む): 133245000

約数和(自身を除く): 51313774

約数列:

[1, 2, 13, 26, 149, 298, 1937, 3874, 21149, 42298, 274937, 549874, 3151201, 6302402, 40965613, 81931226]

約数ペア:

[(1, 81931226), (2, 40965613), (13, 6302402), (26, 3151201), (149, 549874), (298, 274937), (1937, 42298), (3874, 21149)]