261609770

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{251}}^1\times {\mathrm{6131}}^1$

素因数の和:6406

約数の個数: 32

約数和(自身を含む): 500665536

約数和(自身を除く): 239055766

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 251, 502, 1255, 2510, 4267, 6131, 8534, 12262, 21335, 30655, 42670, 61310, 104227, 208454, 521135, 1042270, 1538881, 3077762, 7694405, 15388810, 26160977, 52321954, 130804885, 261609770]

約数ペア:

[(1, 261609770), (2, 130804885), (5, 52321954), (10, 26160977), (17, 15388810), (34, 7694405), (85, 3077762), (170, 1538881), (251, 1042270), (502, 521135), (1255, 208454), (2510, 104227), (4267, 61310), (6131, 42670), (8534, 30655), (12262, 21335)]