71458751

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{347}}^1$

素因数の和:471

約数の個数: 32

約数和(自身を含む): 92295168

約数和(自身を除く): 20836417

約数列:

[1, 7, 13, 31, 73, 91, 217, 347, 403, 511, 949, 2263, 2429, 2821, 4511, 6643, 10757, 15841, 25331, 29419, 31577, 75299, 139841, 177317, 205933, 329303, 785261, 978887, 2305121, 5496827, 10208393, 71458751]

約数ペア:

[(1, 71458751), (7, 10208393), (13, 5496827), (31, 2305121), (73, 978887), (91, 785261), (217, 329303), (347, 205933), (403, 177317), (511, 139841), (949, 75299), (2263, 31577), (2429, 29419), (2821, 25331), (4511, 15841), (6643, 10757)]