278481528

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{297523}}^1$

素因数の和:297548

約数の個数: 48

約数和(自身を含む): 812240520

約数和(自身を除く): 533758992

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 39, 52, 72, 78, 104, 117, 156, 234, 312, 468, 936, 297523, 595046, 892569, 1190092, 1785138, 2380184, 2677707, 3570276, 3867799, 5355414, 7140552, 7735598, 10710828, 11603397, 15471196, 21421656, 23206794, 30942392, 34810191, 46413588, 69620382, 92827176, 139240764, 278481528]

約数ペア:

[(1, 278481528), (2, 139240764), (3, 92827176), (4, 69620382), (6, 46413588), (8, 34810191), (9, 30942392), (12, 23206794), (13, 21421656), (18, 15471196), (24, 11603397), (26, 10710828), (36, 7735598), (39, 7140552), (52, 5355414), (72, 3867799), (78, 3570276), (104, 2677707), (117, 2380184), (156, 1785138), (234, 1190092), (312, 892569), (468, 595046), (936, 297523)]