31216715

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1\times {\mathrm{107}}^1$

素因数の和:251

約数の個数: 32

約数和(自身を含む): 41368320

約数和(自身を除く): 10151605

約数列:

[1, 5, 19, 37, 83, 95, 107, 185, 415, 535, 703, 1577, 2033, 3071, 3515, 3959, 7885, 8881, 10165, 15355, 19795, 44405, 58349, 75221, 168739, 291745, 328597, 376105, 843695, 1642985, 6243343, 31216715]

約数ペア:

[(1, 31216715), (5, 6243343), (19, 1642985), (37, 843695), (83, 376105), (95, 328597), (107, 291745), (185, 168739), (415, 75221), (535, 58349), (703, 44405), (1577, 19795), (2033, 15355), (3071, 10165), (3515, 8881), (3959, 7885)]