156930971071

素因数分解:

$7^4\times {\mathrm{421}}^1\times {\mathrm{155251}}^1$

素因数の和:155700

約数の個数: 20

約数和(自身を含む): 183511279544

約数和(自身を除く): 26580308473

約数列:

[1, 7, 49, 343, 421, 2401, 2947, 20629, 144403, 155251, 1010821, 1086757, 7607299, 53251093, 65360671, 372757651, 457524697, 3202672879, 22418710153, 156930971071]

約数ペア:

[(1, 156930971071), (7, 22418710153), (49, 3202672879), (343, 457524697), (421, 372757651), (2401, 65360671), (2947, 53251093), (20629, 7607299), (144403, 1086757), (155251, 1010821)]