320401895

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{113}}^1\times {\mathrm{1663}}^1$

素因数の和:1823

約数の個数: 32

約数和(自身を含む): 437059584

約数和(自身を除く): 116657689

約数列:

[1, 5, 11, 31, 55, 113, 155, 341, 565, 1243, 1663, 1705, 3503, 6215, 8315, 17515, 18293, 38533, 51553, 91465, 187919, 192665, 257765, 567083, 939595, 2067109, 2835415, 5825489, 10335545, 29127445, 64080379, 320401895]

約数ペア:

[(1, 320401895), (5, 64080379), (11, 29127445), (31, 10335545), (55, 5825489), (113, 2835415), (155, 2067109), (341, 939595), (565, 567083), (1243, 257765), (1663, 192665), (1705, 187919), (3503, 91465), (6215, 51553), (8315, 38533), (17515, 18293)]