157517815

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{97}}^1$

素因数の和:248

約数の個数: 64

約数和(自身を含む): 243403776

約数和(自身を除く): 85885961

約数列:

[1, 5, 7, 13, 35, 43, 65, 83, 91, 97, 215, 301, 415, 455, 485, 559, 581, 679, 1079, 1261, 1505, 2795, 2905, 3395, 3569, 3913, 4171, 5395, 6305, 7553, 8051, 8827, 17845, 19565, 20855, 24983, 29197, 37765, 40255, 44135, 46397, 54223, 56357, 104663, 124915, 145985, 231985, 271115, 281785, 324779, 346193, 379561, 523315, 732641, 1623895, 1730965, 1897805, 2423351, 3663205, 4500509, 12116755, 22502545, 31503563, 157517815]

約数ペア:

[(1, 157517815), (5, 31503563), (7, 22502545), (13, 12116755), (35, 4500509), (43, 3663205), (65, 2423351), (83, 1897805), (91, 1730965), (97, 1623895), (215, 732641), (301, 523315), (415, 379561), (455, 346193), (485, 324779), (559, 281785), (581, 271115), (679, 231985), (1079, 145985), (1261, 124915), (1505, 104663), (2795, 56357), (2905, 54223), (3395, 46397), (3569, 44135), (3913, 40255), (4171, 37765), (5395, 29197), (6305, 24983), (7553, 20855), (8051, 19565), (8827, 17845)]