890243536

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{4463}}^1$

素因数の和:4628

約数の個数: 80

約数和(自身を含む): 2138863104

約数和(自身を除く): 1248619568

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 137, 182, 208, 274, 364, 548, 728, 959, 1096, 1456, 1781, 1918, 2192, 3562, 3836, 4463, 7124, 7672, 8926, 12467, 14248, 15344, 17852, 24934, 28496, 31241, 35704, 49868, 58019, 62482, 71408, 99736, 116038, 124964, 199472, 232076, 249928, 406133, 464152, 499856, 611431, 812266, 928304, 1222862, 1624532, 2445724, 3249064, 4280017, 4891448, 6498128, 7948603, 8560034, 9782896, 15897206, 17120068, 31794412, 34240136, 55640221, 63588824, 68480272, 111280442, 127177648, 222560884, 445121768, 890243536]

約数ペア:

[(1, 890243536), (2, 445121768), (4, 222560884), (7, 127177648), (8, 111280442), (13, 68480272), (14, 63588824), (16, 55640221), (26, 34240136), (28, 31794412), (52, 17120068), (56, 15897206), (91, 9782896), (104, 8560034), (112, 7948603), (137, 6498128), (182, 4891448), (208, 4280017), (274, 3249064), (364, 2445724), (548, 1624532), (728, 1222862), (959, 928304), (1096, 812266), (1456, 611431), (1781, 499856), (1918, 464152), (2192, 406133), (3562, 249928), (3836, 232076), (4463, 199472), (7124, 124964), (7672, 116038), (8926, 99736), (12467, 71408), (14248, 62482), (15344, 58019), (17852, 49868), (24934, 35704), (28496, 31241)]