28945175

素因数分解:

$5^2\times 7^1\times {\mathrm{193}}^1\times {\mathrm{857}}^1$

素因数の和:1067

約数の個数: 24

約数和(自身を含む): 41280096

約数和(自身を除く): 12334921

約数列:

[1, 5, 7, 25, 35, 175, 193, 857, 965, 1351, 4285, 4825, 5999, 6755, 21425, 29995, 33775, 149975, 165401, 827005, 1157807, 4135025, 5789035, 28945175]

約数ペア:

[(1, 28945175), (5, 5789035), (7, 4135025), (25, 1157807), (35, 827005), (175, 165401), (193, 149975), (857, 33775), (965, 29995), (1351, 21425), (4285, 6755), (4825, 5999)]