664861379

素因数分解:

$7^1\times {\mathrm{13}}^2\times {\mathrm{557}}^1\times {\mathrm{1009}}^1$

素因数の和:1599

約数の個数: 24

約数和(自身を含む): 825081120

約数和(自身を除く): 160219741

約数列:

[1, 7, 13, 91, 169, 557, 1009, 1183, 3899, 7063, 7241, 13117, 50687, 91819, 94133, 170521, 562013, 658931, 1193647, 3934091, 7306169, 51143183, 94980197, 664861379]

約数ペア:

[(1, 664861379), (7, 94980197), (13, 51143183), (91, 7306169), (169, 3934091), (557, 1193647), (1009, 658931), (1183, 562013), (3899, 170521), (7063, 94133), (7241, 91819), (13117, 50687)]