161750408

素因数分解:

$2^3\times {\mathrm{139}}^1\times {\mathrm{145459}}^1$

素因数の和:145604

約数の個数: 16

約数和(自身を含む): 305466000

約数和(自身を除く): 143715592

約数列:

[1, 2, 4, 8, 139, 278, 556, 1112, 145459, 290918, 581836, 1163672, 20218801, 40437602, 80875204, 161750408]

約数ペア:

[(1, 161750408), (2, 80875204), (4, 40437602), (8, 20218801), (139, 1163672), (278, 581836), (556, 290918), (1112, 145459)]