81143916

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{263}}^1\times {\mathrm{3673}}^1$

素因数の和:3950

約数の個数: 48

約数和(自身を含む): 217265664

約数和(自身を除く): 136121748

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 263, 526, 789, 1052, 1578, 1841, 3156, 3673, 3682, 5523, 7346, 7364, 11019, 11046, 14692, 22038, 22092, 25711, 44076, 51422, 77133, 102844, 154266, 308532, 965999, 1931998, 2897997, 3863996, 5795994, 6761993, 11591988, 13523986, 20285979, 27047972, 40571958, 81143916]

約数ペア:

[(1, 81143916), (2, 40571958), (3, 27047972), (4, 20285979), (6, 13523986), (7, 11591988), (12, 6761993), (14, 5795994), (21, 3863996), (28, 2897997), (42, 1931998), (84, 965999), (263, 308532), (526, 154266), (789, 102844), (1052, 77133), (1578, 51422), (1841, 44076), (3156, 25711), (3673, 22092), (3682, 22038), (5523, 14692), (7346, 11046), (7364, 11019)]