397051415

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{139}}^1\times {\mathrm{421}}^1$

素因数の和:647

約数の個数: 32

約数和(自身を含む): 510451200

約数和(自身を除く): 113399785

約数列:

[1, 5, 23, 59, 115, 139, 295, 421, 695, 1357, 2105, 3197, 6785, 8201, 9683, 15985, 24839, 41005, 48415, 58519, 124195, 188623, 292595, 571297, 943115, 1345937, 2856485, 3452621, 6729685, 17263105, 79410283, 397051415]

約数ペア:

[(1, 397051415), (5, 79410283), (23, 17263105), (59, 6729685), (115, 3452621), (139, 2856485), (295, 1345937), (421, 943115), (695, 571297), (1357, 292595), (2105, 188623), (3197, 124195), (6785, 58519), (8201, 48415), (9683, 41005), (15985, 24839)]