219938425

素因数分解:

$5^2\times 7^1\times {\mathrm{443}}^1\times {\mathrm{2837}}^1$

素因数の和:3297

約数の個数: 24

約数和(自身を含む): 312497856

約数和(自身を除く): 92559431

約数列:

[1, 5, 7, 25, 35, 175, 443, 2215, 2837, 3101, 11075, 14185, 15505, 19859, 70925, 77525, 99295, 496475, 1256791, 6283955, 8797537, 31419775, 43987685, 219938425]

約数ペア:

[(1, 219938425), (5, 43987685), (7, 31419775), (25, 8797537), (35, 6283955), (175, 1256791), (443, 496475), (2215, 99295), (2837, 77525), (3101, 70925), (11075, 19859), (14185, 15505)]