81774736

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{2939}}^1$

素因数の和:3031

約数の個数: 40

約数和(自身を含む): 166239360

約数和(自身を除く): 84464624

約数列:

[1, 2, 4, 8, 16, 37, 47, 74, 94, 148, 188, 296, 376, 592, 752, 1739, 2939, 3478, 5878, 6956, 11756, 13912, 23512, 27824, 47024, 108743, 138133, 217486, 276266, 434972, 552532, 869944, 1105064, 1739888, 2210128, 5110921, 10221842, 20443684, 40887368, 81774736]

約数ペア:

[(1, 81774736), (2, 40887368), (4, 20443684), (8, 10221842), (16, 5110921), (37, 2210128), (47, 1739888), (74, 1105064), (94, 869944), (148, 552532), (188, 434972), (296, 276266), (376, 217486), (592, 138133), (752, 108743), (1739, 47024), (2939, 27824), (3478, 23512), (5878, 13912), (6956, 11756)]