66678736

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{163}}^1\times {\mathrm{691}}^1$

素因数の和:899

約数の個数: 40

約数和(自身を含む): 133688864

約数和(自身を除く): 67010128

約数列:

[1, 2, 4, 8, 16, 37, 74, 148, 163, 296, 326, 592, 652, 691, 1304, 1382, 2608, 2764, 5528, 6031, 11056, 12062, 24124, 25567, 48248, 51134, 96496, 102268, 112633, 204536, 225266, 409072, 450532, 901064, 1802128, 4167421, 8334842, 16669684, 33339368, 66678736]

約数ペア:

[(1, 66678736), (2, 33339368), (4, 16669684), (8, 8334842), (16, 4167421), (37, 1802128), (74, 901064), (148, 450532), (163, 409072), (296, 225266), (326, 204536), (592, 112633), (652, 102268), (691, 96496), (1304, 51134), (1382, 48248), (2608, 25567), (2764, 24124), (5528, 12062), (6031, 11056)]