81471448

素因数分解:

$2^3\times {\mathrm{59}}^1\times {\mathrm{101}}^1\times {\mathrm{1709}}^1$

素因数の和:1875

約数の個数: 32

約数和(自身を含む): 156978000

約数和(自身を除く): 75506552

約数列:

[1, 2, 4, 8, 59, 101, 118, 202, 236, 404, 472, 808, 1709, 3418, 5959, 6836, 11918, 13672, 23836, 47672, 100831, 172609, 201662, 345218, 403324, 690436, 806648, 1380872, 10183931, 20367862, 40735724, 81471448]

約数ペア:

[(1, 81471448), (2, 40735724), (4, 20367862), (8, 10183931), (59, 1380872), (101, 806648), (118, 690436), (202, 403324), (236, 345218), (404, 201662), (472, 172609), (808, 100831), (1709, 47672), (3418, 23836), (5959, 13672), (6836, 11918)]