28333025

素因数分解:

$5^2\times 7^2\times {\mathrm{101}}^1\times {\mathrm{229}}^1$

素因数の和:354

約数の個数: 36

約数和(自身を含む): 41453820

約数和(自身を除く): 13120795

約数列:

[1, 5, 7, 25, 35, 49, 101, 175, 229, 245, 505, 707, 1145, 1225, 1603, 2525, 3535, 4949, 5725, 8015, 11221, 17675, 23129, 24745, 40075, 56105, 115645, 123725, 161903, 280525, 578225, 809515, 1133321, 4047575, 5666605, 28333025]

約数ペア:

[(1, 28333025), (5, 5666605), (7, 4047575), (25, 1133321), (35, 809515), (49, 578225), (101, 280525), (175, 161903), (229, 123725), (245, 115645), (505, 56105), (707, 40075), (1145, 24745), (1225, 23129), (1603, 17675), (2525, 11221), (3535, 8015), (4949, 5725)]