165164815

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{521}}^1$

素因数の和:663

約数の個数: 32

約数和(自身を含む): 216483840

約数和(自身を除く): 51319025

約数列:

[1, 5, 19, 47, 71, 95, 235, 355, 521, 893, 1349, 2605, 3337, 4465, 6745, 9899, 16685, 24487, 36991, 49495, 63403, 122435, 184955, 317015, 465253, 702829, 1738577, 2326265, 3514145, 8692885, 33032963, 165164815]

約数ペア:

[(1, 165164815), (5, 33032963), (19, 8692885), (47, 3514145), (71, 2326265), (95, 1738577), (235, 702829), (355, 465253), (521, 317015), (893, 184955), (1349, 122435), (2605, 63403), (3337, 49495), (4465, 36991), (6745, 24487), (9899, 16685)]