68900390

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{617}}^1\times {\mathrm{859}}^1$

素因数の和:1496

約数の個数: 32

約数和(自身を含む): 133932960

約数和(自身を除く): 65032570

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 617, 859, 1234, 1718, 3085, 4295, 6170, 8021, 8590, 11167, 16042, 22334, 40105, 55835, 80210, 111670, 530003, 1060006, 2650015, 5300030, 6890039, 13780078, 34450195, 68900390]

約数ペア:

[(1, 68900390), (2, 34450195), (5, 13780078), (10, 6890039), (13, 5300030), (26, 2650015), (65, 1060006), (130, 530003), (617, 111670), (859, 80210), (1234, 55835), (1718, 40105), (3085, 22334), (4295, 16042), (6170, 11167), (8021, 8590)]