1995005

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{211}}^1$

素因数の和:308

約数の個数: 16

約数和(自身を含む): 2523648

約数和(自身を除く): 528643

約数列:

[1, 5, 31, 61, 155, 211, 305, 1055, 1891, 6541, 9455, 12871, 32705, 64355, 399001, 1995005]

約数ペア:

[(1, 1995005), (5, 399001), (31, 64355), (61, 32705), (155, 12871), (211, 9455), (305, 6541), (1055, 1891)]