178546004

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{887}}^1$

素因数の和:997

約数の個数: 72

約数和(自身を含む): 396829440

約数和(自身を除く): 218283436

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 49, 52, 79, 91, 98, 158, 182, 196, 316, 364, 553, 637, 887, 1027, 1106, 1274, 1774, 2054, 2212, 2548, 3548, 3871, 4108, 6209, 7189, 7742, 11531, 12418, 14378, 15484, 23062, 24836, 28756, 43463, 46124, 50323, 70073, 80717, 86926, 100646, 140146, 161434, 173852, 201292, 280292, 322868, 490511, 565019, 910949, 981022, 1130038, 1821898, 1962044, 2260076, 3433577, 3643796, 6376643, 6867154, 12753286, 13734308, 25506572, 44636501, 89273002, 178546004]

約数ペア:

[(1, 178546004), (2, 89273002), (4, 44636501), (7, 25506572), (13, 13734308), (14, 12753286), (26, 6867154), (28, 6376643), (49, 3643796), (52, 3433577), (79, 2260076), (91, 1962044), (98, 1821898), (158, 1130038), (182, 981022), (196, 910949), (316, 565019), (364, 490511), (553, 322868), (637, 280292), (887, 201292), (1027, 173852), (1106, 161434), (1274, 140146), (1774, 100646), (2054, 86926), (2212, 80717), (2548, 70073), (3548, 50323), (3871, 46124), (4108, 43463), (6209, 28756), (7189, 24836), (7742, 23062), (11531, 15484), (12418, 14378)]