405002

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{421}}^1$

素因数の和:473

約数の個数: 16

約数和(自身を含む): 673512

約数和(自身を除く): 268510

約数列:

[1, 2, 13, 26, 37, 74, 421, 481, 842, 962, 5473, 10946, 15577, 31154, 202501, 405002]

約数ペア:

[(1, 405002), (2, 202501), (13, 31154), (26, 15577), (37, 10946), (74, 5473), (421, 962), (481, 842)]