389619505

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{116131}}^1$

素因数の和:116208

約数の個数: 16

約数和(自身を含む): 518413248

約数和(自身を除く): 128793743

約数列:

[1, 5, 11, 55, 61, 305, 671, 3355, 116131, 580655, 1277441, 6387205, 7083991, 35419955, 77923901, 389619505]

約数ペア:

[(1, 389619505), (5, 77923901), (11, 35419955), (55, 7083991), (61, 6387205), (305, 1277441), (671, 580655), (3355, 116131)]