12868955

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{89}}^1\times {\mathrm{239}}^1$

素因数の和:355

約数の個数: 24

約数和(自身を含む): 17236800

約数和(自身を除く): 4367845

約数列:

[1, 5, 11, 55, 89, 121, 239, 445, 605, 979, 1195, 2629, 4895, 10769, 13145, 21271, 28919, 53845, 106355, 144595, 233981, 1169905, 2573791, 12868955]

約数ペア:

[(1, 12868955), (5, 2573791), (11, 1169905), (55, 233981), (89, 144595), (121, 106355), (239, 53845), (445, 28919), (605, 21271), (979, 13145), (1195, 10769), (2629, 4895)]