318320418

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{25037}}^1$

素因数の和:25218

約数の個数: 32

約数和(自身を含む): 689846976

約数和(自身を除く): 371526558

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 163, 326, 489, 978, 2119, 4238, 6357, 12714, 25037, 50074, 75111, 150222, 325481, 650962, 976443, 1952886, 4081031, 8162062, 12243093, 24486186, 53053403, 106106806, 159160209, 318320418]

約数ペア:

[(1, 318320418), (2, 159160209), (3, 106106806), (6, 53053403), (13, 24486186), (26, 12243093), (39, 8162062), (78, 4081031), (163, 1952886), (326, 976443), (489, 650962), (978, 325481), (2119, 150222), (4238, 75111), (6357, 50074), (12714, 25037)]