161286335

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{3457}}^1$

素因数の和:3543

約数の個数: 32

約数和(自身を含む): 233705472

約数和(自身を除く): 72419137

約数列:

[1, 5, 7, 31, 35, 43, 155, 215, 217, 301, 1085, 1333, 1505, 3457, 6665, 9331, 17285, 24199, 46655, 107167, 120995, 148651, 535835, 743255, 750169, 1040557, 3750845, 4608181, 5202785, 23040905, 32257267, 161286335]

約数ペア:

[(1, 161286335), (5, 32257267), (7, 23040905), (31, 5202785), (35, 4608181), (43, 3750845), (155, 1040557), (215, 750169), (217, 743255), (301, 535835), (1085, 148651), (1333, 120995), (1505, 107167), (3457, 46655), (6665, 24199), (9331, 17285)]