15697904

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{31649}}^1$

素因数の和:31688

約数の個数: 20

約数和(自身を含む): 31396800

約数和(自身を除く): 15698896

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 31649, 63298, 126596, 253192, 506384, 981119, 1962238, 3924476, 7848952, 15697904]

約数ペア:

[(1, 15697904), (2, 7848952), (4, 3924476), (8, 1962238), (16, 981119), (31, 506384), (62, 253192), (124, 126596), (248, 63298), (496, 31649)]