82870025

素因数分解:

$5^2\times 7^2\times {\mathrm{61}}^1\times {\mathrm{1109}}^1$

素因数の和:1194

約数の個数: 36

約数和(自身を含む): 121604940

約数和(自身を除く): 38734915

約数列:

[1, 5, 7, 25, 35, 49, 61, 175, 245, 305, 427, 1109, 1225, 1525, 2135, 2989, 5545, 7763, 10675, 14945, 27725, 38815, 54341, 67649, 74725, 194075, 271705, 338245, 473543, 1358525, 1691225, 2367715, 3314801, 11838575, 16574005, 82870025]

約数ペア:

[(1, 82870025), (5, 16574005), (7, 11838575), (25, 3314801), (35, 2367715), (49, 1691225), (61, 1358525), (175, 473543), (245, 338245), (305, 271705), (427, 194075), (1109, 74725), (1225, 67649), (1525, 54341), (2135, 38815), (2989, 27725), (5545, 14945), (7763, 10675)]