81558512

素因数分解:

$2^4\times 7^1\times {\mathrm{41}}^1\times {\mathrm{17761}}^1$

素因数の和:17817

約数の個数: 40

約数和(自身を含む): 185008992

約数和(自身を除く): 103450480

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 41, 56, 82, 112, 164, 287, 328, 574, 656, 1148, 2296, 4592, 17761, 35522, 71044, 124327, 142088, 248654, 284176, 497308, 728201, 994616, 1456402, 1989232, 2912804, 5097407, 5825608, 10194814, 11651216, 20389628, 40779256, 81558512]

約数ペア:

[(1, 81558512), (2, 40779256), (4, 20389628), (7, 11651216), (8, 10194814), (14, 5825608), (16, 5097407), (28, 2912804), (41, 1989232), (56, 1456402), (82, 994616), (112, 728201), (164, 497308), (287, 284176), (328, 248654), (574, 142088), (656, 124327), (1148, 71044), (2296, 35522), (4592, 17761)]