2638985132

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{263}}^1\times {\mathrm{15581}}^1$

素因数の和:15878

約数の個数: 48

約数和(自身を含む): 5528742912

約数和(自身を除く): 2889757780

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 161, 263, 322, 526, 644, 1052, 1841, 3682, 6049, 7364, 12098, 15581, 24196, 31162, 42343, 62324, 84686, 109067, 169372, 218134, 358363, 436268, 716726, 1433452, 2508541, 4097803, 5017082, 8195606, 10034164, 16391212, 28684621, 57369242, 94249469, 114738484, 188498938, 376997876, 659746283, 1319492566, 2638985132]

約数ペア:

[(1, 2638985132), (2, 1319492566), (4, 659746283), (7, 376997876), (14, 188498938), (23, 114738484), (28, 94249469), (46, 57369242), (92, 28684621), (161, 16391212), (263, 10034164), (322, 8195606), (526, 5017082), (644, 4097803), (1052, 2508541), (1841, 1433452), (3682, 716726), (6049, 436268), (7364, 358363), (12098, 218134), (15581, 169372), (24196, 109067), (31162, 84686), (42343, 62324)]