399000084

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{4750001}}^1$

素因数の和:4750015

約数の個数: 24

約数和(自身を含む): 1064000448

約数和(自身を除く): 665000364

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 4750001, 9500002, 14250003, 19000004, 28500006, 33250007, 57000012, 66500014, 99750021, 133000028, 199500042, 399000084]

約数ペア:

[(1, 399000084), (2, 199500042), (3, 133000028), (4, 99750021), (6, 66500014), (7, 57000012), (12, 33250007), (14, 28500006), (21, 19000004), (28, 14250003), (42, 9500002), (84, 4750001)]