71292893

素因数分解:

$7^4\times {\mathrm{23}}^1\times {\mathrm{1291}}^1$

素因数の和:1342

約数の個数: 20

約数和(自身を含む): 86853408

約数和(自身を除く): 15560515

約数列:

[1, 7, 23, 49, 161, 343, 1127, 1291, 2401, 7889, 9037, 29693, 55223, 63259, 207851, 442813, 1454957, 3099691, 10184699, 71292893]

約数ペア:

[(1, 71292893), (7, 10184699), (23, 3099691), (49, 1454957), (161, 442813), (343, 207851), (1127, 63259), (1291, 55223), (2401, 29693), (7889, 9037)]