202187375

素因数分解:

$5^3\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{563}}^1$

素因数の和:621

約数の個数: 48

約数和(自身を含む): 289819296

約数和(自身を除く): 87631921

約数列:

[1, 5, 13, 17, 25, 65, 85, 125, 169, 221, 325, 425, 563, 845, 1105, 1625, 2125, 2815, 2873, 4225, 5525, 7319, 9571, 14075, 14365, 21125, 27625, 36595, 47855, 70375, 71825, 95147, 124423, 182975, 239275, 359125, 475735, 622115, 914875, 1196375, 1617499, 2378675, 3110575, 8087495, 11893375, 15552875, 40437475, 202187375]

約数ペア:

[(1, 202187375), (5, 40437475), (13, 15552875), (17, 11893375), (25, 8087495), (65, 3110575), (85, 2378675), (125, 1617499), (169, 1196375), (221, 914875), (325, 622115), (425, 475735), (563, 359125), (845, 239275), (1105, 182975), (1625, 124423), (2125, 95147), (2815, 71825), (2873, 70375), (4225, 47855), (5525, 36595), (7319, 27625), (9571, 21125), (14075, 14365)]