17639713

素因数分解:

$7^1\times {\mathrm{13}}^3\times {\mathrm{31}}^1\times {\mathrm{37}}^1$

素因数の和:114

約数の個数: 32

約数和(自身を含む): 23152640

約数和(自身を除く): 5512927

約数列:

[1, 7, 13, 31, 37, 91, 169, 217, 259, 403, 481, 1147, 1183, 2197, 2821, 3367, 5239, 6253, 8029, 14911, 15379, 36673, 43771, 68107, 81289, 104377, 193843, 476749, 569023, 1356901, 2519959, 17639713]

約数ペア:

[(1, 17639713), (7, 2519959), (13, 1356901), (31, 569023), (37, 476749), (91, 193843), (169, 104377), (217, 81289), (259, 68107), (403, 43771), (481, 36673), (1147, 15379), (1183, 14911), (2197, 8029), (2821, 6253), (3367, 5239)]