216008

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1$

素因数の和:117

約数の個数: 32

約数和(自身を含む): 456960

約数和(自身を除く): 240952

約数列:

[1, 2, 4, 8, 13, 26, 31, 52, 62, 67, 104, 124, 134, 248, 268, 403, 536, 806, 871, 1612, 1742, 2077, 3224, 3484, 4154, 6968, 8308, 16616, 27001, 54002, 108004, 216008]

約数ペア:

[(1, 216008), (2, 108004), (4, 54002), (8, 27001), (13, 16616), (26, 8308), (31, 6968), (52, 4154), (62, 3484), (67, 3224), (104, 2077), (124, 1742), (134, 1612), (248, 871), (268, 806), (403, 536)]