397401366928

素因数分解:

$2^4\times {\mathrm{113}}^1\times {\mathrm{219801641}}^1$

素因数の和:219801762

約数の個数: 20

約数和(自身を含む): 776779002828

約数和(自身を除く): 379377635900

約数列:

[1, 2, 4, 8, 16, 113, 226, 452, 904, 1808, 219801641, 439603282, 879206564, 1758413128, 3516826256, 24837585433, 49675170866, 99350341732, 198700683464, 397401366928]

約数ペア:

[(1, 397401366928), (2, 198700683464), (4, 99350341732), (8, 49675170866), (16, 24837585433), (113, 3516826256), (226, 1758413128), (452, 879206564), (904, 439603282), (1808, 219801641)]