25747631

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{103}}^1$

素因数の和:231

約数の個数: 32

約数和(自身を含む): 33266688

約数和(自身を除く): 7519057

約数列:

[1, 7, 13, 41, 67, 91, 103, 287, 469, 533, 721, 871, 1339, 2747, 3731, 4223, 6097, 6901, 9373, 19229, 29561, 35711, 48307, 54899, 89713, 249977, 282941, 384293, 627991, 1980587, 3678233, 25747631]

約数ペア:

[(1, 25747631), (7, 3678233), (13, 1980587), (41, 627991), (67, 384293), (91, 282941), (103, 249977), (287, 89713), (469, 54899), (533, 48307), (721, 35711), (871, 29561), (1339, 19229), (2747, 9373), (3731, 6901), (4223, 6097)]