261013375

素因数分解:

$5^3\times 7^1\times {\mathrm{199}}^1\times {\mathrm{1499}}^1$

素因数の和:1720

約数の個数: 32

約数和(自身を含む): 374400000

約数和(自身を除く): 113386625

約数列:

[1, 5, 7, 25, 35, 125, 175, 199, 875, 995, 1393, 1499, 4975, 6965, 7495, 10493, 24875, 34825, 37475, 52465, 174125, 187375, 262325, 298301, 1311625, 1491505, 2088107, 7457525, 10440535, 37287625, 52202675, 261013375]

約数ペア:

[(1, 261013375), (5, 52202675), (7, 37287625), (25, 10440535), (35, 7457525), (125, 2088107), (175, 1491505), (199, 1311625), (875, 298301), (995, 262325), (1393, 187375), (1499, 174125), (4975, 52465), (6965, 37475), (7495, 34825), (10493, 24875)]