640434592

素因数分解:

$2^5\times 7^1\times {\mathrm{223}}^1\times {\mathrm{12821}}^1$

素因数の和:13061

約数の個数: 48

約数和(自身を含む): 1447552512

約数和(自身を除く): 807117920

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 223, 224, 446, 892, 1561, 1784, 3122, 3568, 6244, 7136, 12488, 12821, 24976, 25642, 49952, 51284, 89747, 102568, 179494, 205136, 358988, 410272, 717976, 1435952, 2859083, 2871904, 5718166, 11436332, 20013581, 22872664, 40027162, 45745328, 80054324, 91490656, 160108648, 320217296, 640434592]

約数ペア:

[(1, 640434592), (2, 320217296), (4, 160108648), (7, 91490656), (8, 80054324), (14, 45745328), (16, 40027162), (28, 22872664), (32, 20013581), (56, 11436332), (112, 5718166), (223, 2871904), (224, 2859083), (446, 1435952), (892, 717976), (1561, 410272), (1784, 358988), (3122, 205136), (3568, 179494), (6244, 102568), (7136, 89747), (12488, 51284), (12821, 49952), (24976, 25642)]