291245561257

素因数分解:

$7^1\times {\mathrm{53}}^1\times {\mathrm{38281}}^1\times {\mathrm{20507}}^1$

素因数の和:58848

約数の個数: 16

約数和(自身を含む): 339157694592

約数和(自身を除く): 47912133335

約数列:

[1, 7, 53, 371, 20507, 38281, 143549, 267967, 1086871, 2028893, 7608097, 14202251, 785028467, 5495199269, 41606508751, 291245561257]

約数ペア:

[(1, 291245561257), (7, 41606508751), (53, 5495199269), (371, 785028467), (20507, 14202251), (38281, 7608097), (143549, 2028893), (267967, 1086871)]