618793730

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{701}}^1\times {\mathrm{2153}}^1$

素因数の和:2902

約数の個数: 32

約数和(自身を含む): 1143153648

約数和(自身を除く): 524359918

約数列:

[1, 2, 5, 10, 41, 82, 205, 410, 701, 1402, 2153, 3505, 4306, 7010, 10765, 21530, 28741, 57482, 88273, 143705, 176546, 287410, 441365, 882730, 1509253, 3018506, 7546265, 15092530, 61879373, 123758746, 309396865, 618793730]

約数ペア:

[(1, 618793730), (2, 309396865), (5, 123758746), (10, 61879373), (41, 15092530), (82, 7546265), (205, 3018506), (410, 1509253), (701, 882730), (1402, 441365), (2153, 287410), (3505, 176546), (4306, 143705), (7010, 88273), (10765, 57482), (21530, 28741)]