12864580

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{241}}^1$

素因数の和:424

約数の個数: 48

約数和(自身を含む): 28906416

約数和(自身を除く): 16041836

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 157, 170, 241, 314, 340, 482, 628, 785, 964, 1205, 1570, 2410, 2669, 3140, 4097, 4820, 5338, 8194, 10676, 13345, 16388, 20485, 26690, 37837, 40970, 53380, 75674, 81940, 151348, 189185, 378370, 643229, 756740, 1286458, 2572916, 3216145, 6432290, 12864580]

約数ペア:

[(1, 12864580), (2, 6432290), (4, 3216145), (5, 2572916), (10, 1286458), (17, 756740), (20, 643229), (34, 378370), (68, 189185), (85, 151348), (157, 81940), (170, 75674), (241, 53380), (314, 40970), (340, 37837), (482, 26690), (628, 20485), (785, 16388), (964, 13345), (1205, 10676), (1570, 8194), (2410, 5338), (2669, 4820), (3140, 4097)]