31191770

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{43}}^1\times {\mathrm{251}}^1$

素因数の和:335

約数の個数: 48

約数和(自身を含む): 61272288

約数和(自身を除く): 30080518

約数列:

[1, 2, 5, 10, 17, 34, 43, 85, 86, 170, 215, 251, 289, 430, 502, 578, 731, 1255, 1445, 1462, 2510, 2890, 3655, 4267, 7310, 8534, 10793, 12427, 21335, 21586, 24854, 42670, 53965, 62135, 72539, 107930, 124270, 145078, 183481, 362695, 366962, 725390, 917405, 1834810, 3119177, 6238354, 15595885, 31191770]

約数ペア:

[(1, 31191770), (2, 15595885), (5, 6238354), (10, 3119177), (17, 1834810), (34, 917405), (43, 725390), (85, 366962), (86, 362695), (170, 183481), (215, 145078), (251, 124270), (289, 107930), (430, 72539), (502, 62135), (578, 53965), (731, 42670), (1255, 24854), (1445, 21586), (1462, 21335), (2510, 12427), (2890, 10793), (3655, 8534), (4267, 7310)]