161380018

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{523}}^1$

素因数の和:690

約数の個数: 32

約数和(自身を含む): 256701312

約数和(自身を除く): 95321294

約数列:

[1, 2, 41, 53, 71, 82, 106, 142, 523, 1046, 2173, 2911, 3763, 4346, 5822, 7526, 21443, 27719, 37133, 42886, 55438, 74266, 154283, 308566, 1136479, 1522453, 1968049, 2272958, 3044906, 3936098, 80690009, 161380018]

約数ペア:

[(1, 161380018), (2, 80690009), (41, 3936098), (53, 3044906), (71, 2272958), (82, 1968049), (106, 1522453), (142, 1136479), (523, 308566), (1046, 154283), (2173, 74266), (2911, 55438), (3763, 42886), (4346, 37133), (5822, 27719), (7526, 21443)]