400250006

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{181}}^1\times {\mathrm{5003}}^1$

素因数の和:5216

約数の個数: 32

約数和(自身を含む): 688510368

約数和(自身を除く): 288260362

約数列:

[1, 2, 13, 17, 26, 34, 181, 221, 362, 442, 2353, 3077, 4706, 5003, 6154, 10006, 40001, 65039, 80002, 85051, 130078, 170102, 905543, 1105663, 1811086, 2211326, 11772059, 15394231, 23544118, 30788462, 200125003, 400250006]

約数ペア:

[(1, 400250006), (2, 200125003), (13, 30788462), (17, 23544118), (26, 15394231), (34, 11772059), (181, 2211326), (221, 1811086), (362, 1105663), (442, 905543), (2353, 170102), (3077, 130078), (4706, 85051), (5003, 80002), (6154, 65039), (10006, 40001)]