90221005

素因数分解:

$5^1\times 7^3\times {\mathrm{31}}^1\times {\mathrm{1697}}^1$

素因数の和:1754

約数の個数: 32

約数和(自身を含む): 130406400

約数和(自身を除く): 40185395

約数列:

[1, 5, 7, 31, 35, 49, 155, 217, 245, 343, 1085, 1519, 1697, 1715, 7595, 8485, 10633, 11879, 52607, 53165, 59395, 83153, 263035, 368249, 415765, 582071, 1841245, 2577743, 2910355, 12888715, 18044201, 90221005]

約数ペア:

[(1, 90221005), (5, 18044201), (7, 12888715), (31, 2910355), (35, 2577743), (49, 1841245), (155, 582071), (217, 415765), (245, 368249), (343, 263035), (1085, 83153), (1519, 59395), (1697, 53165), (1715, 52607), (7595, 11879), (8485, 10633)]