28582015

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{397}}^1$

素因数の和:448

約数の個数: 48

約数和(自身を含む): 45734976

約数和(自身を除く): 17152961

約数列:

[1, 5, 7, 11, 17, 35, 55, 77, 85, 119, 121, 187, 385, 397, 595, 605, 847, 935, 1309, 1985, 2057, 2779, 4235, 4367, 6545, 6749, 10285, 13895, 14399, 21835, 30569, 33745, 47243, 48037, 71995, 74239, 152845, 236215, 240185, 336259, 371195, 519673, 816629, 1681295, 2598365, 4083145, 5716403, 28582015]

約数ペア:

[(1, 28582015), (5, 5716403), (7, 4083145), (11, 2598365), (17, 1681295), (35, 816629), (55, 519673), (77, 371195), (85, 336259), (119, 240185), (121, 236215), (187, 152845), (385, 74239), (397, 71995), (595, 48037), (605, 47243), (847, 33745), (935, 30569), (1309, 21835), (1985, 14399), (2057, 13895), (2779, 10285), (4235, 6749), (4367, 6545)]