72680321

素因数分解:

$7^1\times {\mathrm{17}}^2\times {\mathrm{37}}^1\times {\mathrm{971}}^1$

素因数の和:1049

約数の個数: 24

約数和(自身を含む): 90714816

約数和(自身を除く): 18034495

約数列:

[1, 7, 17, 37, 119, 259, 289, 629, 971, 2023, 4403, 6797, 10693, 16507, 35927, 74851, 115549, 251489, 280619, 610759, 1964333, 4275313, 10382903, 72680321]

約数ペア:

[(1, 72680321), (7, 10382903), (17, 4275313), (37, 1964333), (119, 610759), (259, 280619), (289, 251489), (629, 115549), (971, 74851), (2023, 35927), (4403, 16507), (6797, 10693)]