15866656

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{887}}^1$

素因数の和:953

約数の個数: 48

約数和(自身を含む): 34461504

約数和(自身を除く): 18594848

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 43, 52, 86, 104, 172, 208, 344, 416, 559, 688, 887, 1118, 1376, 1774, 2236, 3548, 4472, 7096, 8944, 11531, 14192, 17888, 23062, 28384, 38141, 46124, 76282, 92248, 152564, 184496, 305128, 368992, 495833, 610256, 991666, 1220512, 1983332, 3966664, 7933328, 15866656]

約数ペア:

[(1, 15866656), (2, 7933328), (4, 3966664), (8, 1983332), (13, 1220512), (16, 991666), (26, 610256), (32, 495833), (43, 368992), (52, 305128), (86, 184496), (104, 152564), (172, 92248), (208, 76282), (344, 46124), (416, 38141), (559, 28384), (688, 23062), (887, 17888), (1118, 14192), (1376, 11531), (1774, 8944), (2236, 7096), (3548, 4472)]