819409864

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1\times {\mathrm{191}}^1$

素因数の和:371

約数の個数: 128

約数和(自身を含む): 1950842880

約数和(自身を除く): 1131433016

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 71, 83, 91, 104, 142, 166, 182, 191, 284, 332, 364, 382, 497, 568, 581, 664, 728, 764, 923, 994, 1079, 1162, 1337, 1528, 1846, 1988, 2158, 2324, 2483, 2674, 3692, 3976, 4316, 4648, 4966, 5348, 5893, 6461, 7384, 7553, 8632, 9932, 10696, 11786, 12922, 13561, 15106, 15853, 17381, 19864, 23572, 25844, 27122, 30212, 31706, 34762, 41251, 47144, 51688, 54244, 60424, 63412, 69524, 76609, 82502, 94927, 108488, 110971, 126824, 139048, 153218, 165004, 176293, 189854, 206089, 221942, 306436, 330008, 352586, 379708, 412178, 443884, 536263, 612872, 705172, 759416, 824356, 887768, 1072526, 1125563, 1234051, 1410344, 1442623, 1648712, 2145052, 2251126, 2468102, 2885246, 4290104, 4502252, 4936204, 5770492, 7878941, 9004504, 9872408, 11540984, 14632319, 15757882, 29264638, 31515764, 58529276, 63031528, 102426233, 117058552, 204852466, 409704932, 819409864]

約数ペア:

[(1, 819409864), (2, 409704932), (4, 204852466), (7, 117058552), (8, 102426233), (13, 63031528), (14, 58529276), (26, 31515764), (28, 29264638), (52, 15757882), (56, 14632319), (71, 11540984), (83, 9872408), (91, 9004504), (104, 7878941), (142, 5770492), (166, 4936204), (182, 4502252), (191, 4290104), (284, 2885246), (332, 2468102), (364, 2251126), (382, 2145052), (497, 1648712), (568, 1442623), (581, 1410344), (664, 1234051), (728, 1125563), (764, 1072526), (923, 887768), (994, 824356), (1079, 759416), (1162, 705172), (1337, 612872), (1528, 536263), (1846, 443884), (1988, 412178), (2158, 379708), (2324, 352586), (2483, 330008), (2674, 306436), (3692, 221942), (3976, 206089), (4316, 189854), (4648, 176293), (4966, 165004), (5348, 153218), (5893, 139048), (6461, 126824), (7384, 110971), (7553, 108488), (8632, 94927), (9932, 82502), (10696, 76609), (11786, 69524), (12922, 63412), (13561, 60424), (15106, 54244), (15853, 51688), (17381, 47144), (19864, 41251), (23572, 34762), (25844, 31706), (27122, 30212)]