1388341825

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{1013}}^1\times {\mathrm{4217}}^1$

素因数の和:5253

約数の個数: 24

約数和(自身を含む): 1856240568

約数和(自身を除く): 467898743

約数列:

[1, 5, 13, 25, 65, 325, 1013, 4217, 5065, 13169, 21085, 25325, 54821, 65845, 105425, 274105, 329225, 1370525, 4271821, 21359105, 55533673, 106795525, 277668365, 1388341825]

約数ペア:

[(1, 1388341825), (5, 277668365), (13, 106795525), (25, 55533673), (65, 21359105), (325, 4271821), (1013, 1370525), (4217, 329225), (5065, 274105), (13169, 105425), (21085, 65845), (25325, 54821)]