15639425

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{461}}^1$

素因数の和:553

約数の個数: 24

約数和(自身を含む): 20623680

約数和(自身を除く): 4984255

約数列:

[1, 5, 23, 25, 59, 115, 295, 461, 575, 1357, 1475, 2305, 6785, 10603, 11525, 27199, 33925, 53015, 135995, 265075, 625577, 679975, 3127885, 15639425]

約数ペア:

[(1, 15639425), (5, 3127885), (23, 679975), (25, 625577), (59, 265075), (115, 135995), (295, 53015), (461, 33925), (575, 27199), (1357, 11525), (1475, 10603), (2305, 6785)]