81209448

素因数分解:

$2^3\times 3^2\times {\mathrm{701}}^1\times {\mathrm{1609}}^1$

素因数の和:2322

約数の個数: 48

約数和(自身を含む): 220392900

約数和(自身を除く): 139183452

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 701, 1402, 1609, 2103, 2804, 3218, 4206, 4827, 5608, 6309, 6436, 8412, 9654, 12618, 12872, 14481, 16824, 19308, 25236, 28962, 38616, 50472, 57924, 115848, 1127909, 2255818, 3383727, 4511636, 6767454, 9023272, 10151181, 13534908, 20302362, 27069816, 40604724, 81209448]

約数ペア:

[(1, 81209448), (2, 40604724), (3, 27069816), (4, 20302362), (6, 13534908), (8, 10151181), (9, 9023272), (12, 6767454), (18, 4511636), (24, 3383727), (36, 2255818), (72, 1127909), (701, 115848), (1402, 57924), (1609, 50472), (2103, 38616), (2804, 28962), (3218, 25236), (4206, 19308), (4827, 16824), (5608, 14481), (6309, 12872), (6436, 12618), (8412, 9654)]