74198985

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{157}}^1\times {\mathrm{643}}^1$

素因数の和:822

約数の個数: 48

約数和(自身を含む): 139196736

約数和(自身を除く): 64997751

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 157, 245, 471, 643, 735, 785, 1099, 1929, 2355, 3215, 3297, 4501, 5495, 7693, 9645, 13503, 16485, 22505, 23079, 31507, 38465, 67515, 94521, 100951, 115395, 157535, 302853, 472605, 504755, 706657, 1514265, 2119971, 3533285, 4946599, 10599855, 14839797, 24732995, 74198985]

約数ペア:

[(1, 74198985), (3, 24732995), (5, 14839797), (7, 10599855), (15, 4946599), (21, 3533285), (35, 2119971), (49, 1514265), (105, 706657), (147, 504755), (157, 472605), (245, 302853), (471, 157535), (643, 115395), (735, 100951), (785, 94521), (1099, 67515), (1929, 38465), (2355, 31507), (3215, 23079), (3297, 22505), (4501, 16485), (5495, 13503), (7693, 9645)]