278245344

素因数分解:

$2^5\times 3^1\times {\mathrm{13}}^1\times {\mathrm{222953}}^1$

素因数の和:222979

約数の個数: 48

約数和(自身を含む): 786581712

約数和(自身を除く): 508336368

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 78, 96, 104, 156, 208, 312, 416, 624, 1248, 222953, 445906, 668859, 891812, 1337718, 1783624, 2675436, 2898389, 3567248, 5350872, 5796778, 7134496, 8695167, 10701744, 11593556, 17390334, 21403488, 23187112, 34780668, 46374224, 69561336, 92748448, 139122672, 278245344]

約数ペア:

[(1, 278245344), (2, 139122672), (3, 92748448), (4, 69561336), (6, 46374224), (8, 34780668), (12, 23187112), (13, 21403488), (16, 17390334), (24, 11593556), (26, 10701744), (32, 8695167), (39, 7134496), (48, 5796778), (52, 5350872), (78, 3567248), (96, 2898389), (104, 2675436), (156, 1783624), (208, 1337718), (312, 891812), (416, 668859), (624, 445906), (1248, 222953)]