51637590

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{8081}}^1$

素因数の和:8165

約数の個数: 48

約数和(自身を含む): 136165536

約数和(自身を除く): 84527946

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 71, 90, 142, 213, 355, 426, 639, 710, 1065, 1278, 2130, 3195, 6390, 8081, 16162, 24243, 40405, 48486, 72729, 80810, 121215, 145458, 242430, 363645, 573751, 727290, 1147502, 1721253, 2868755, 3442506, 5163759, 5737510, 8606265, 10327518, 17212530, 25818795, 51637590]

約数ペア:

[(1, 51637590), (2, 25818795), (3, 17212530), (5, 10327518), (6, 8606265), (9, 5737510), (10, 5163759), (15, 3442506), (18, 2868755), (30, 1721253), (45, 1147502), (71, 727290), (90, 573751), (142, 363645), (213, 242430), (355, 145458), (426, 121215), (639, 80810), (710, 72729), (1065, 48486), (1278, 40405), (2130, 24243), (3195, 16162), (6390, 8081)]