2662990

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{563}}^1$

素因数の和:624

約数の個数: 32

約数和(自身を含む): 5360256

約数和(自身を除く): 2697266

約数列:

[1, 2, 5, 10, 11, 22, 43, 55, 86, 110, 215, 430, 473, 563, 946, 1126, 2365, 2815, 4730, 5630, 6193, 12386, 24209, 30965, 48418, 61930, 121045, 242090, 266299, 532598, 1331495, 2662990]

約数ペア:

[(1, 2662990), (2, 1331495), (5, 532598), (10, 266299), (11, 242090), (22, 121045), (43, 61930), (55, 48418), (86, 30965), (110, 24209), (215, 12386), (430, 6193), (473, 5630), (563, 4730), (946, 2815), (1126, 2365)]