66173776

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{67801}}^1$

素因数の和:67870

約数の個数: 20

約数和(自身を含む): 130315444

約数和(自身を除く): 64141668

約数列:

[1, 2, 4, 8, 16, 61, 122, 244, 488, 976, 67801, 135602, 271204, 542408, 1084816, 4135861, 8271722, 16543444, 33086888, 66173776]

約数ペア:

[(1, 66173776), (2, 33086888), (4, 16543444), (8, 8271722), (16, 4135861), (61, 1084816), (122, 542408), (244, 271204), (488, 135602), (976, 67801)]