258820926

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{409}}^1$

素因数の和:514

約数の個数: 128

約数和(自身を含む): 683289600

約数和(自身を除く): 424468674

約数列:

[1, 2, 3, 6, 7, 13, 14, 19, 21, 26, 38, 39, 42, 57, 61, 78, 91, 114, 122, 133, 182, 183, 247, 266, 273, 366, 399, 409, 427, 494, 546, 741, 793, 798, 818, 854, 1159, 1227, 1281, 1482, 1586, 1729, 2318, 2379, 2454, 2562, 2863, 3458, 3477, 4758, 5187, 5317, 5551, 5726, 6954, 7771, 8113, 8589, 10374, 10634, 11102, 15067, 15542, 15951, 16226, 16653, 17178, 23313, 24339, 24949, 30134, 31902, 33306, 37219, 45201, 46626, 48678, 49898, 54397, 74438, 74847, 90402, 101023, 105469, 108794, 111657, 149694, 163191, 174643, 202046, 210938, 223314, 303069, 316407, 324337, 326382, 349286, 474031, 523929, 606138, 632814, 648674, 707161, 948062, 973011, 1047858, 1414322, 1422093, 1946022, 2121483, 2270359, 2844186, 3318217, 4242966, 4540718, 6162403, 6636434, 6811077, 9954651, 12324806, 13622154, 18487209, 19909302, 36974418, 43136821, 86273642, 129410463, 258820926]

約数ペア:

[(1, 258820926), (2, 129410463), (3, 86273642), (6, 43136821), (7, 36974418), (13, 19909302), (14, 18487209), (19, 13622154), (21, 12324806), (26, 9954651), (38, 6811077), (39, 6636434), (42, 6162403), (57, 4540718), (61, 4242966), (78, 3318217), (91, 2844186), (114, 2270359), (122, 2121483), (133, 1946022), (182, 1422093), (183, 1414322), (247, 1047858), (266, 973011), (273, 948062), (366, 707161), (399, 648674), (409, 632814), (427, 606138), (494, 523929), (546, 474031), (741, 349286), (793, 326382), (798, 324337), (818, 316407), (854, 303069), (1159, 223314), (1227, 210938), (1281, 202046), (1482, 174643), (1586, 163191), (1729, 149694), (2318, 111657), (2379, 108794), (2454, 105469), (2562, 101023), (2863, 90402), (3458, 74847), (3477, 74438), (4758, 54397), (5187, 49898), (5317, 48678), (5551, 46626), (5726, 45201), (6954, 37219), (7771, 33306), (8113, 31902), (8589, 30134), (10374, 24949), (10634, 24339), (11102, 23313), (15067, 17178), (15542, 16653), (15951, 16226)]