628791786

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{160981}}^1$

素因数の和:161027

約数の個数: 48

約数和(自身を含む): 1607244288

約数和(自身を除く): 978452502

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 31, 42, 62, 63, 93, 126, 186, 217, 279, 434, 558, 651, 1302, 1953, 3906, 160981, 321962, 482943, 965886, 1126867, 1448829, 2253734, 2897658, 3380601, 4990411, 6761202, 9980822, 10141803, 14971233, 20283606, 29942466, 34932877, 44913699, 69865754, 89827398, 104798631, 209597262, 314395893, 628791786]

約数ペア:

[(1, 628791786), (2, 314395893), (3, 209597262), (6, 104798631), (7, 89827398), (9, 69865754), (14, 44913699), (18, 34932877), (21, 29942466), (31, 20283606), (42, 14971233), (62, 10141803), (63, 9980822), (93, 6761202), (126, 4990411), (186, 3380601), (217, 2897658), (279, 2253734), (434, 1448829), (558, 1126867), (651, 965886), (1302, 482943), (1953, 321962), (3906, 160981)]