7888936590

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{669121}}^1$

素因数の和:669265

約数の個数: 48

約数和(自身を含む): 20667840336

約数和(自身を除く): 12778903746

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 131, 262, 393, 655, 786, 1179, 1310, 1965, 2358, 3930, 5895, 11790, 669121, 1338242, 2007363, 3345605, 4014726, 6022089, 6691210, 10036815, 12044178, 20073630, 30110445, 60220890, 87654851, 175309702, 262964553, 438274255, 525929106, 788893659, 876548510, 1314822765, 1577787318, 2629645530, 3944468295, 7888936590]

約数ペア:

[(1, 7888936590), (2, 3944468295), (3, 2629645530), (5, 1577787318), (6, 1314822765), (9, 876548510), (10, 788893659), (15, 525929106), (18, 438274255), (30, 262964553), (45, 175309702), (90, 87654851), (131, 60220890), (262, 30110445), (393, 20073630), (655, 12044178), (786, 10036815), (1179, 6691210), (1310, 6022089), (1965, 4014726), (2358, 3345605), (3930, 2007363), (5895, 1338242), (11790, 669121)]