31531060

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{331}}^1\times {\mathrm{433}}^1$

素因数の和:784

約数の個数: 48

約数和(自身を含む): 72620352

約数和(自身を除く): 41089292

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 331, 433, 662, 866, 1324, 1655, 1732, 2165, 3310, 3641, 4330, 4763, 6620, 7282, 8660, 9526, 14564, 18205, 19052, 23815, 36410, 47630, 72820, 95260, 143323, 286646, 573292, 716615, 1433230, 1576553, 2866460, 3153106, 6306212, 7882765, 15765530, 31531060]

約数ペア:

[(1, 31531060), (2, 15765530), (4, 7882765), (5, 6306212), (10, 3153106), (11, 2866460), (20, 1576553), (22, 1433230), (44, 716615), (55, 573292), (110, 286646), (220, 143323), (331, 95260), (433, 72820), (662, 47630), (866, 36410), (1324, 23815), (1655, 19052), (1732, 18205), (2165, 14564), (3310, 9526), (3641, 8660), (4330, 7282), (4763, 6620)]