2642905

素因数分解:

$5^1\times {\mathrm{17}}^2\times {\mathrm{31}}^1\times {\mathrm{59}}^1$

素因数の和:129

約数の個数: 24

約数和(自身を含む): 3536640

約数和(自身を除く): 893735

約数列:

[1, 5, 17, 31, 59, 85, 155, 289, 295, 527, 1003, 1445, 1829, 2635, 5015, 8959, 9145, 17051, 31093, 44795, 85255, 155465, 528581, 2642905]

約数ペア:

[(1, 2642905), (5, 528581), (17, 155465), (31, 85255), (59, 44795), (85, 31093), (155, 17051), (289, 9145), (295, 8959), (527, 5015), (1003, 2635), (1445, 1829)]