261315384

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{989831}}^1$

素因数の和:989851

約数の個数: 32

約数和(自身を含む): 712679040

約数和(自身を除く): 451363656

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 44, 66, 88, 132, 264, 989831, 1979662, 2969493, 3959324, 5938986, 7918648, 10888141, 11877972, 21776282, 23755944, 32664423, 43552564, 65328846, 87105128, 130657692, 261315384]

約数ペア:

[(1, 261315384), (2, 130657692), (3, 87105128), (4, 65328846), (6, 43552564), (8, 32664423), (11, 23755944), (12, 21776282), (22, 11877972), (24, 10888141), (33, 7918648), (44, 5938986), (66, 3959324), (88, 2969493), (132, 1979662), (264, 989831)]