646793968

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{883}}^1\times {\mathrm{2693}}^1$

素因数の和:3601

約数の個数: 40

約数和(自身を含む): 1328874768

約数和(自身を除く): 682080800

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 883, 1766, 2693, 3532, 5386, 7064, 10772, 14128, 15011, 21544, 30022, 43088, 45781, 60044, 91562, 120088, 183124, 240176, 366248, 732496, 2377919, 4755838, 9511676, 19023352, 38046704, 40424623, 80849246, 161698492, 323396984, 646793968]

約数ペア:

[(1, 646793968), (2, 323396984), (4, 161698492), (8, 80849246), (16, 40424623), (17, 38046704), (34, 19023352), (68, 9511676), (136, 4755838), (272, 2377919), (883, 732496), (1766, 366248), (2693, 240176), (3532, 183124), (5386, 120088), (7064, 91562), (10772, 60044), (14128, 45781), (15011, 43088), (21544, 30022)]