684865118

素因数分解:

$2^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{421}}^1\times {\mathrm{887}}^1$

素因数の和:1448

約数の個数: 32

約数和(自身を含む): 1187163648

約数和(自身を除く): 502298530

約数列:

[1, 2, 7, 14, 131, 262, 421, 842, 887, 917, 1774, 1834, 2947, 5894, 6209, 12418, 55151, 110302, 116197, 232394, 373427, 386057, 746854, 772114, 813379, 1626758, 2613989, 5227978, 48918937, 97837874, 342432559, 684865118]

約数ペア:

[(1, 684865118), (2, 342432559), (7, 97837874), (14, 48918937), (131, 5227978), (262, 2613989), (421, 1626758), (842, 813379), (887, 772114), (917, 746854), (1774, 386057), (1834, 373427), (2947, 232394), (5894, 116197), (6209, 110302), (12418, 55151)]