168306775

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{167}}^1\times {\mathrm{443}}^1$

素因数の和:640

約数の個数: 48

約数和(自身を含む): 258983424

約数和(自身を除く): 90676649

約数列:

[1, 5, 7, 13, 25, 35, 65, 91, 167, 175, 325, 443, 455, 835, 1169, 2171, 2215, 2275, 3101, 4175, 5759, 5845, 10855, 11075, 15197, 15505, 28795, 29225, 40313, 54275, 73981, 75985, 77525, 143975, 201565, 369905, 379925, 517867, 961753, 1007825, 1849525, 2589335, 4808765, 6732271, 12946675, 24043825, 33661355, 168306775]

約数ペア:

[(1, 168306775), (5, 33661355), (7, 24043825), (13, 12946675), (25, 6732271), (35, 4808765), (65, 2589335), (91, 1849525), (167, 1007825), (175, 961753), (325, 517867), (443, 379925), (455, 369905), (835, 201565), (1169, 143975), (2171, 77525), (2215, 75985), (2275, 73981), (3101, 54275), (4175, 40313), (5759, 29225), (5845, 28795), (10855, 15505), (11075, 15197)]