639301561

素因数分解:

${\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{313}}^1\times {\mathrm{1607}}^1$

素因数の和:1992

約数の個数: 16

約数和(自身を含む): 678601728

約数和(自身を除く): 39300167

約数列:

[1, 31, 41, 313, 1271, 1607, 9703, 12833, 49817, 65887, 397823, 502991, 2042497, 15592721, 20622631, 639301561]

約数ペア:

[(1, 639301561), (31, 20622631), (41, 15592721), (313, 2042497), (1271, 502991), (1607, 397823), (9703, 65887), (12833, 49817)]