31335590

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1289}}^1$

素因数の和:1337

約数の個数: 64

約数和(自身を含む): 70217280

約数和(自身を除く): 38881690

約数列:

[1, 2, 5, 10, 11, 13, 17, 22, 26, 34, 55, 65, 85, 110, 130, 143, 170, 187, 221, 286, 374, 442, 715, 935, 1105, 1289, 1430, 1870, 2210, 2431, 2578, 4862, 6445, 12155, 12890, 14179, 16757, 21913, 24310, 28358, 33514, 43826, 70895, 83785, 109565, 141790, 167570, 184327, 219130, 241043, 284869, 368654, 482086, 569738, 921635, 1205215, 1424345, 1843270, 2410430, 2848690, 3133559, 6267118, 15667795, 31335590]

約数ペア:

[(1, 31335590), (2, 15667795), (5, 6267118), (10, 3133559), (11, 2848690), (13, 2410430), (17, 1843270), (22, 1424345), (26, 1205215), (34, 921635), (55, 569738), (65, 482086), (85, 368654), (110, 284869), (130, 241043), (143, 219130), (170, 184327), (187, 167570), (221, 141790), (286, 109565), (374, 83785), (442, 70895), (715, 43826), (935, 33514), (1105, 28358), (1289, 24310), (1430, 21913), (1870, 16757), (2210, 14179), (2431, 12890), (2578, 12155), (4862, 6445)]