1243281790

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{125711}}^1$

素因数の和:125784

約数の個数: 32

約数和(自身を含む): 2389533696

約数和(自身を除く): 1146251906

約数列:

[1, 2, 5, 10, 23, 43, 46, 86, 115, 215, 230, 430, 989, 1978, 4945, 9890, 125711, 251422, 628555, 1257110, 2891353, 5405573, 5782706, 10811146, 14456765, 27027865, 28913530, 54055730, 124328179, 248656358, 621640895, 1243281790]

約数ペア:

[(1, 1243281790), (2, 621640895), (5, 248656358), (10, 124328179), (23, 54055730), (43, 28913530), (46, 27027865), (86, 14456765), (115, 10811146), (215, 5782706), (230, 5405573), (430, 2891353), (989, 1257110), (1978, 628555), (4945, 251422), (9890, 125711)]