657427706

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{421}}^1\times {\mathrm{3533}}^1$

素因数の和:3986

約数の個数: 32

約数和(自身を含む): 1127459088

約数和(自身を除く): 470031382

約数列:

[1, 2, 13, 17, 26, 34, 221, 421, 442, 842, 3533, 5473, 7066, 7157, 10946, 14314, 45929, 60061, 91858, 93041, 120122, 186082, 780793, 1487393, 1561586, 2974786, 19336109, 25285681, 38672218, 50571362, 328713853, 657427706]

約数ペア:

[(1, 657427706), (2, 328713853), (13, 50571362), (17, 38672218), (26, 25285681), (34, 19336109), (221, 2974786), (421, 1561586), (442, 1487393), (842, 780793), (3533, 186082), (5473, 120122), (7066, 93041), (7157, 91858), (10946, 60061), (14314, 45929)]