81666936

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{87251}}^1$

素因数の和:87276

約数の個数: 48

約数和(自身を含む): 238197960

約数和(自身を除く): 156531024

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 39, 52, 72, 78, 104, 117, 156, 234, 312, 468, 936, 87251, 174502, 261753, 349004, 523506, 698008, 785259, 1047012, 1134263, 1570518, 2094024, 2268526, 3141036, 3402789, 4537052, 6282072, 6805578, 9074104, 10208367, 13611156, 20416734, 27222312, 40833468, 81666936]

約数ペア:

[(1, 81666936), (2, 40833468), (3, 27222312), (4, 20416734), (6, 13611156), (8, 10208367), (9, 9074104), (12, 6805578), (13, 6282072), (18, 4537052), (24, 3402789), (26, 3141036), (36, 2268526), (39, 2094024), (52, 1570518), (72, 1134263), (78, 1047012), (104, 785259), (117, 698008), (156, 523506), (234, 349004), (312, 261753), (468, 174502), (936, 87251)]