15864784

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{857}}^1$

素因数の和:967

約数の個数: 40

約数和(自身を含む): 33513480

約数和(自身を除く): 17648696

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 89, 104, 178, 208, 356, 712, 857, 1157, 1424, 1714, 2314, 3428, 4628, 6856, 9256, 11141, 13712, 18512, 22282, 44564, 76273, 89128, 152546, 178256, 305092, 610184, 991549, 1220368, 1983098, 3966196, 7932392, 15864784]

約数ペア:

[(1, 15864784), (2, 7932392), (4, 3966196), (8, 1983098), (13, 1220368), (16, 991549), (26, 610184), (52, 305092), (89, 178256), (104, 152546), (178, 89128), (208, 76273), (356, 44564), (712, 22282), (857, 18512), (1157, 13712), (1424, 11141), (1714, 9256), (2314, 6856), (3428, 4628)]