81978736

素因数分解:

$2^4\times 7^1\times {\mathrm{317}}^1\times {\mathrm{2309}}^1$

素因数の和:2641

約数の個数: 40

約数和(自身を含む): 182175840

約数和(自身を除く): 100197104

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 317, 634, 1268, 2219, 2309, 2536, 4438, 4618, 5072, 8876, 9236, 16163, 17752, 18472, 32326, 35504, 36944, 64652, 129304, 258608, 731953, 1463906, 2927812, 5123671, 5855624, 10247342, 11711248, 20494684, 40989368, 81978736]

約数ペア:

[(1, 81978736), (2, 40989368), (4, 20494684), (7, 11711248), (8, 10247342), (14, 5855624), (16, 5123671), (28, 2927812), (56, 1463906), (112, 731953), (317, 258608), (634, 129304), (1268, 64652), (2219, 36944), (2309, 35504), (2536, 32326), (4438, 18472), (4618, 17752), (5072, 16163), (8876, 9236)]