1640626

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{709}}^1$

素因数の和:813

約数の個数: 16

約数和(自身を含む): 2683800

約数和(自身を除く): 1043174

約数列:

[1, 2, 13, 26, 89, 178, 709, 1157, 1418, 2314, 9217, 18434, 63101, 126202, 820313, 1640626]

約数ペア:

[(1, 1640626), (2, 820313), (13, 126202), (26, 63101), (89, 18434), (178, 9217), (709, 2314), (1157, 1418)]