161755265

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{3079}}^1$

素因数の和:3189

約数の個数: 32

約数和(自身を含む): 236544000

約数和(自身を除く): 74788735

約数列:

[1, 5, 7, 19, 35, 79, 95, 133, 395, 553, 665, 1501, 2765, 3079, 7505, 10507, 15395, 21553, 52535, 58501, 107765, 243241, 292505, 409507, 1216205, 1702687, 2047535, 4621579, 8513435, 23107895, 32351053, 161755265]

約数ペア:

[(1, 161755265), (5, 32351053), (7, 23107895), (19, 8513435), (35, 4621579), (79, 2047535), (95, 1702687), (133, 1216205), (395, 409507), (553, 292505), (665, 243241), (1501, 107765), (2765, 58501), (3079, 52535), (7505, 21553), (10507, 15395)]