220665328

素因数分解:

$2^4\times {\mathrm{13}}^2\times {\mathrm{79}}^1\times {\mathrm{1033}}^1$

素因数の和:1146

約数の個数: 60

約数和(自身を含む): 469270560

約数和(自身を除く): 248605232

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 79, 104, 158, 169, 208, 316, 338, 632, 676, 1027, 1033, 1264, 1352, 2054, 2066, 2704, 4108, 4132, 8216, 8264, 13351, 13429, 16432, 16528, 26702, 26858, 53404, 53716, 81607, 106808, 107432, 163214, 174577, 213616, 214864, 326428, 349154, 652856, 698308, 1060891, 1305712, 1396616, 2121782, 2793232, 4243564, 8487128, 13791583, 16974256, 27583166, 55166332, 110332664, 220665328]

約数ペア:

[(1, 220665328), (2, 110332664), (4, 55166332), (8, 27583166), (13, 16974256), (16, 13791583), (26, 8487128), (52, 4243564), (79, 2793232), (104, 2121782), (158, 1396616), (169, 1305712), (208, 1060891), (316, 698308), (338, 652856), (632, 349154), (676, 326428), (1027, 214864), (1033, 213616), (1264, 174577), (1352, 163214), (2054, 107432), (2066, 106808), (2704, 81607), (4108, 53716), (4132, 53404), (8216, 26858), (8264, 26702), (13351, 16528), (13429, 16432)]