28795025

素因数分解:

$5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{9679}}^1$

素因数の和:9713

約数の個数: 24

約数和(自身を含む): 43211520

約数和(自身を除く): 14416495

約数列:

[1, 5, 7, 17, 25, 35, 85, 119, 175, 425, 595, 2975, 9679, 48395, 67753, 164543, 241975, 338765, 822715, 1151801, 1693825, 4113575, 5759005, 28795025]

約数ペア:

[(1, 28795025), (5, 5759005), (7, 4113575), (17, 1693825), (25, 1151801), (35, 822715), (85, 338765), (119, 241975), (175, 164543), (425, 67753), (595, 48395), (2975, 9679)]