64778890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{4637}}^1$

素因数の和:4782

約数の個数: 32

約数和(自身を含む): 128231424

約数和(自身を除く): 63452534

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 127, 254, 635, 1270, 1397, 2794, 4637, 6985, 9274, 13970, 23185, 46370, 51007, 102014, 255035, 510070, 588899, 1177798, 2944495, 5888990, 6477889, 12955778, 32389445, 64778890]

約数ペア:

[(1, 64778890), (2, 32389445), (5, 12955778), (10, 6477889), (11, 5888990), (22, 2944495), (55, 1177798), (110, 588899), (127, 510070), (254, 255035), (635, 102014), (1270, 51007), (1397, 46370), (2794, 23185), (4637, 13970), (6985, 9274)]