161820178

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{269}}^1\times {\mathrm{1361}}^1$

素因数の和:1662

約数の個数: 32

約数和(自身を含む): 278011440

約数和(自身を除く): 116191262

約数列:

[1, 2, 13, 17, 26, 34, 221, 269, 442, 538, 1361, 2722, 3497, 4573, 6994, 9146, 17693, 23137, 35386, 46274, 59449, 118898, 300781, 366109, 601562, 732218, 4759417, 6223853, 9518834, 12447706, 80910089, 161820178]

約数ペア:

[(1, 161820178), (2, 80910089), (13, 12447706), (17, 9518834), (26, 6223853), (34, 4759417), (221, 732218), (269, 601562), (442, 366109), (538, 300781), (1361, 118898), (2722, 59449), (3497, 46274), (4573, 35386), (6994, 23137), (9146, 17693)]