254802639

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{10487}}^1$

素因数の和:10599

約数の個数: 32

約数和(自身を含む): 422876160

約数和(自身を除く): 168073521

約数列:

[1, 3, 7, 13, 21, 39, 89, 91, 267, 273, 623, 1157, 1869, 3471, 8099, 10487, 24297, 31461, 73409, 136331, 220227, 408993, 933343, 954317, 2800029, 2862951, 6533401, 12133459, 19600203, 36400377, 84934213, 254802639]

約数ペア:

[(1, 254802639), (3, 84934213), (7, 36400377), (13, 19600203), (21, 12133459), (39, 6533401), (89, 2862951), (91, 2800029), (267, 954317), (273, 933343), (623, 408993), (1157, 220227), (1869, 136331), (3471, 73409), (8099, 31461), (10487, 24297)]