820216

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{163}}^1$

素因数の和:223

約数の個数: 32

約数和(自身を含む): 1682640

約数和(自身を除く): 862424

約数列:

[1, 2, 4, 8, 17, 34, 37, 68, 74, 136, 148, 163, 296, 326, 629, 652, 1258, 1304, 2516, 2771, 5032, 5542, 6031, 11084, 12062, 22168, 24124, 48248, 102527, 205054, 410108, 820216]

約数ペア:

[(1, 820216), (2, 410108), (4, 205054), (8, 102527), (17, 48248), (34, 24124), (37, 22168), (68, 12062), (74, 11084), (136, 6031), (148, 5542), (163, 5032), (296, 2771), (326, 2516), (629, 1304), (652, 1258)]