27808886

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{1289}}^1$

素因数の和:1388

約数の個数: 32

約数和(自身を含む): 50526720

約数和(自身を除く): 22717834

約数列:

[1, 2, 7, 14, 23, 46, 67, 134, 161, 322, 469, 938, 1289, 1541, 2578, 3082, 9023, 10787, 18046, 21574, 29647, 59294, 86363, 172726, 207529, 415058, 604541, 1209082, 1986349, 3972698, 13904443, 27808886]

約数ペア:

[(1, 27808886), (2, 13904443), (7, 3972698), (14, 1986349), (23, 1209082), (46, 604541), (67, 415058), (134, 207529), (161, 172726), (322, 86363), (469, 59294), (938, 29647), (1289, 21574), (1541, 18046), (2578, 10787), (3082, 9023)]