28970851

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{241}}^1\times {\mathrm{1321}}^1$

素因数の和:1582

約数の個数: 16

約数和(自身を含む): 35831488

約数和(自身を除く): 6860637

約数列:

[1, 7, 13, 91, 241, 1321, 1687, 3133, 9247, 17173, 21931, 120211, 318361, 2228527, 4138693, 28970851]

約数ペア:

[(1, 28970851), (7, 4138693), (13, 2228527), (91, 318361), (241, 120211), (1321, 21931), (1687, 17173), (3133, 9247)]