168992005

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{11981}}^1$

素因数の和:12037

約数の個数: 32

約数和(自身を含む): 257660928

約数和(自身を除く): 88668923

約数列:

[1, 5, 7, 13, 31, 35, 65, 91, 155, 217, 403, 455, 1085, 2015, 2821, 11981, 14105, 59905, 83867, 155753, 371411, 419335, 778765, 1090271, 1857055, 2599877, 4828343, 5451355, 12999385, 24141715, 33798401, 168992005]

約数ペア:

[(1, 168992005), (5, 33798401), (7, 24141715), (13, 12999385), (31, 5451355), (35, 4828343), (65, 2599877), (91, 1857055), (155, 1090271), (217, 778765), (403, 419335), (455, 371411), (1085, 155753), (2015, 83867), (2821, 59905), (11981, 14105)]