397757330

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{80681}}^1$

素因数の和:80734

約数の個数: 32

約数和(自身を含む): 784229040

約数和(自身を除く): 386471710

約数列:

[1, 2, 5, 10, 17, 29, 34, 58, 85, 145, 170, 290, 493, 986, 2465, 4930, 80681, 161362, 403405, 806810, 1371577, 2339749, 2743154, 4679498, 6857885, 11698745, 13715770, 23397490, 39775733, 79551466, 198878665, 397757330]

約数ペア:

[(1, 397757330), (2, 198878665), (5, 79551466), (10, 39775733), (17, 23397490), (29, 13715770), (34, 11698745), (58, 6857885), (85, 4679498), (145, 2743154), (170, 2339749), (290, 1371577), (493, 806810), (986, 403405), (2465, 161362), (4930, 80681)]