20131990144

素因数分解:

$2^7\times 7^1\times {\mathrm{257}}^1\times {\mathrm{87427}}^1$

素因数の和:87705

約数の個数: 64

約数和(自身を含む): 46015104960

約数和(自身を除く): 25883114816

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 257, 448, 514, 896, 1028, 1799, 2056, 3598, 4112, 7196, 8224, 14392, 16448, 28784, 32896, 57568, 87427, 115136, 174854, 230272, 349708, 611989, 699416, 1223978, 1398832, 2447956, 2797664, 4895912, 5595328, 9791824, 11190656, 19583648, 22468739, 39167296, 44937478, 78334592, 89874956, 157281173, 179749912, 314562346, 359499824, 629124692, 718999648, 1258249384, 1437999296, 2516498768, 2875998592, 5032997536, 10065995072, 20131990144]

約数ペア:

[(1, 20131990144), (2, 10065995072), (4, 5032997536), (7, 2875998592), (8, 2516498768), (14, 1437999296), (16, 1258249384), (28, 718999648), (32, 629124692), (56, 359499824), (64, 314562346), (112, 179749912), (128, 157281173), (224, 89874956), (257, 78334592), (448, 44937478), (514, 39167296), (896, 22468739), (1028, 19583648), (1799, 11190656), (2056, 9791824), (3598, 5595328), (4112, 4895912), (7196, 2797664), (8224, 2447956), (14392, 1398832), (16448, 1223978), (28784, 699416), (32896, 611989), (57568, 349708), (87427, 230272), (115136, 174854)]