8655556

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1$

素因数の和:153

約数の個数: 72

約数和(自身を含む): 19662720

約数和(自身を除く): 11007164

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 43, 49, 52, 79, 86, 91, 98, 158, 172, 182, 196, 301, 316, 364, 553, 559, 602, 637, 1027, 1106, 1118, 1204, 1274, 2054, 2107, 2212, 2236, 2548, 3397, 3871, 3913, 4108, 4214, 6794, 7189, 7742, 7826, 8428, 13588, 14378, 15484, 15652, 23779, 27391, 28756, 44161, 47558, 50323, 54782, 88322, 95116, 100646, 109564, 166453, 176644, 201292, 309127, 332906, 618254, 665812, 1236508, 2163889, 4327778, 8655556]

約数ペア:

[(1, 8655556), (2, 4327778), (4, 2163889), (7, 1236508), (13, 665812), (14, 618254), (26, 332906), (28, 309127), (43, 201292), (49, 176644), (52, 166453), (79, 109564), (86, 100646), (91, 95116), (98, 88322), (158, 54782), (172, 50323), (182, 47558), (196, 44161), (301, 28756), (316, 27391), (364, 23779), (553, 15652), (559, 15484), (602, 14378), (637, 13588), (1027, 8428), (1106, 7826), (1118, 7742), (1204, 7189), (1274, 6794), (2054, 4214), (2107, 4108), (2212, 3913), (2236, 3871), (2548, 3397)]