156919945

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{20287}}^1$

素因数の和:20329

約数の個数: 32

約数和(自身を含む): 245403648

約数和(自身を除く): 88483703

約数列:

[1, 5, 7, 13, 17, 35, 65, 85, 91, 119, 221, 455, 595, 1105, 1547, 7735, 20287, 101435, 142009, 263731, 344879, 710045, 1318655, 1724395, 1846117, 2414153, 4483427, 9230585, 12070765, 22417135, 31383989, 156919945]

約数ペア:

[(1, 156919945), (5, 31383989), (7, 22417135), (13, 12070765), (17, 9230585), (35, 4483427), (65, 2414153), (85, 1846117), (91, 1724395), (119, 1318655), (221, 710045), (455, 344879), (595, 263731), (1105, 142009), (1547, 101435), (7735, 20287)]