685984

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1$

素因数の和:137

約数の個数: 48

約数和(自身を含む): 1555848

約数和(自身を除く): 869864

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 32, 34, 52, 68, 97, 104, 136, 194, 208, 221, 272, 388, 416, 442, 544, 776, 884, 1261, 1552, 1649, 1768, 2522, 3104, 3298, 3536, 5044, 6596, 7072, 10088, 13192, 20176, 21437, 26384, 40352, 42874, 52768, 85748, 171496, 342992, 685984]

約数ペア:

[(1, 685984), (2, 342992), (4, 171496), (8, 85748), (13, 52768), (16, 42874), (17, 40352), (26, 26384), (32, 21437), (34, 20176), (52, 13192), (68, 10088), (97, 7072), (104, 6596), (136, 5044), (194, 3536), (208, 3298), (221, 3104), (272, 2522), (388, 1768), (416, 1649), (442, 1552), (544, 1261), (776, 884)]