131319356

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{275881}}^1$

素因数の和:275909

約数の個数: 24

約数和(自身を含む): 278089056

約数和(自身を除く): 146769700

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 238, 476, 275881, 551762, 1103524, 1931167, 3862334, 4689977, 7724668, 9379954, 18759908, 32829839, 65659678, 131319356]

約数ペア:

[(1, 131319356), (2, 65659678), (4, 32829839), (7, 18759908), (14, 9379954), (17, 7724668), (28, 4689977), (34, 3862334), (68, 1931167), (119, 1103524), (238, 551762), (476, 275881)]