686137816

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{55441}}^1$

素因数の和:55484

約数の個数: 64

約数和(自身を含む): 1676566080

約数和(自身を除く): 990428264

約数列:

[1, 2, 4, 7, 8, 13, 14, 17, 26, 28, 34, 52, 56, 68, 91, 104, 119, 136, 182, 221, 238, 364, 442, 476, 728, 884, 952, 1547, 1768, 3094, 6188, 12376, 55441, 110882, 221764, 388087, 443528, 720733, 776174, 942497, 1441466, 1552348, 1884994, 2882932, 3104696, 3769988, 5045131, 5765864, 6597479, 7539976, 10090262, 12252461, 13194958, 20180524, 24504922, 26389916, 40361048, 49009844, 52779832, 85767227, 98019688, 171534454, 343068908, 686137816]

約数ペア:

[(1, 686137816), (2, 343068908), (4, 171534454), (7, 98019688), (8, 85767227), (13, 52779832), (14, 49009844), (17, 40361048), (26, 26389916), (28, 24504922), (34, 20180524), (52, 13194958), (56, 12252461), (68, 10090262), (91, 7539976), (104, 6597479), (119, 5765864), (136, 5045131), (182, 3769988), (221, 3104696), (238, 2882932), (364, 1884994), (442, 1552348), (476, 1441466), (728, 942497), (884, 776174), (952, 720733), (1547, 443528), (1768, 388087), (3094, 221764), (6188, 110882), (12376, 55441)]