251149969

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{353}}^1$

素因数の和:505

約数の個数: 32

約数和(自身を含む): 307351296

約数和(自身を除く): 56201327

約数列:

[1, 7, 37, 41, 67, 259, 287, 353, 469, 1517, 2471, 2479, 2747, 10619, 13061, 14473, 17353, 19229, 23651, 91427, 101311, 101639, 165557, 535501, 711473, 875087, 969691, 3748507, 6125609, 6787837, 35878567, 251149969]

約数ペア:

[(1, 251149969), (7, 35878567), (37, 6787837), (41, 6125609), (67, 3748507), (259, 969691), (287, 875087), (353, 711473), (469, 535501), (1517, 165557), (2471, 101639), (2479, 101311), (2747, 91427), (10619, 23651), (13061, 19229), (14473, 17353)]