400373392

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{883}}^1\times {\mathrm{1667}}^1$

素因数の和:2575

約数の個数: 40

約数和(自身を含む): 822777696

約数和(自身を除く): 422404304

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 883, 1667, 1766, 3334, 3532, 6668, 7064, 13336, 14128, 15011, 26672, 28339, 30022, 56678, 60044, 113356, 120088, 226712, 240176, 453424, 1471961, 2943922, 5887844, 11775688, 23551376, 25023337, 50046674, 100093348, 200186696, 400373392]

約数ペア:

[(1, 400373392), (2, 200186696), (4, 100093348), (8, 50046674), (16, 25023337), (17, 23551376), (34, 11775688), (68, 5887844), (136, 2943922), (272, 1471961), (883, 453424), (1667, 240176), (1766, 226712), (3334, 120088), (3532, 113356), (6668, 60044), (7064, 56678), (13336, 30022), (14128, 28339), (15011, 26672)]