15431654

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{191}}^1\times {\mathrm{199}}^1$

素因数の和:428

約数の個数: 32

約数和(自身を含む): 27648000

約数和(自身を除く): 12216346

約数列:

[1, 2, 7, 14, 29, 58, 191, 199, 203, 382, 398, 406, 1337, 1393, 2674, 2786, 5539, 5771, 11078, 11542, 38009, 38773, 40397, 76018, 77546, 80794, 266063, 532126, 1102261, 2204522, 7715827, 15431654]

約数ペア:

[(1, 15431654), (2, 7715827), (7, 2204522), (14, 1102261), (29, 532126), (58, 266063), (191, 80794), (199, 77546), (203, 76018), (382, 40397), (398, 38773), (406, 38009), (1337, 11542), (1393, 11078), (2674, 5771), (2786, 5539)]