259156768

素因数分解:

$2^5\times {\mathrm{13}}^2\times {\mathrm{173}}^1\times {\mathrm{277}}^1$

素因数の和:486

約数の個数: 72

約数和(自身を含む): 557680788

約数和(自身を除く): 298524020

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 169, 173, 208, 277, 338, 346, 416, 554, 676, 692, 1108, 1352, 1384, 2216, 2249, 2704, 2768, 3601, 4432, 4498, 5408, 5536, 7202, 8864, 8996, 14404, 17992, 28808, 29237, 35984, 46813, 47921, 57616, 58474, 71968, 93626, 95842, 115232, 116948, 187252, 191684, 233896, 374504, 383368, 467792, 622973, 749008, 766736, 935584, 1245946, 1498016, 1533472, 2491892, 4983784, 8098649, 9967568, 16197298, 19935136, 32394596, 64789192, 129578384, 259156768]

約数ペア:

[(1, 259156768), (2, 129578384), (4, 64789192), (8, 32394596), (13, 19935136), (16, 16197298), (26, 9967568), (32, 8098649), (52, 4983784), (104, 2491892), (169, 1533472), (173, 1498016), (208, 1245946), (277, 935584), (338, 766736), (346, 749008), (416, 622973), (554, 467792), (676, 383368), (692, 374504), (1108, 233896), (1352, 191684), (1384, 187252), (2216, 116948), (2249, 115232), (2704, 95842), (2768, 93626), (3601, 71968), (4432, 58474), (4498, 57616), (5408, 47921), (5536, 46813), (7202, 35984), (8864, 29237), (8996, 28808), (14404, 17992)]