339947426

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{677}}^1$

素因数の和:819

約数の個数: 64

約数和(自身を含む): 656087040

約数和(自身を除く): 316139614

約数列:

[1, 2, 7, 13, 14, 26, 31, 62, 89, 91, 178, 182, 217, 403, 434, 623, 677, 806, 1157, 1246, 1354, 2314, 2759, 2821, 4739, 5518, 5642, 8099, 8801, 9478, 16198, 17602, 19313, 20987, 35867, 38626, 41974, 60253, 61607, 71734, 120506, 123214, 146909, 251069, 272831, 293818, 421771, 502138, 545662, 783289, 843542, 1566578, 1867843, 1909817, 3735686, 3819634, 5483023, 10966046, 13074901, 24281959, 26149802, 48563918, 169973713, 339947426]

約数ペア:

[(1, 339947426), (2, 169973713), (7, 48563918), (13, 26149802), (14, 24281959), (26, 13074901), (31, 10966046), (62, 5483023), (89, 3819634), (91, 3735686), (178, 1909817), (182, 1867843), (217, 1566578), (403, 843542), (434, 783289), (623, 545662), (677, 502138), (806, 421771), (1157, 293818), (1246, 272831), (1354, 251069), (2314, 146909), (2759, 123214), (2821, 120506), (4739, 71734), (5518, 61607), (5642, 60253), (8099, 41974), (8801, 38626), (9478, 35867), (16198, 20987), (17602, 19313)]