638642012

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{46589}}^1$

素因数の和:46765

約数の個数: 24

約数和(自身を含む): 1174068000

約数和(自身を除く): 535425988

約数列:

[1, 2, 4, 23, 46, 92, 149, 298, 596, 3427, 6854, 13708, 46589, 93178, 186356, 1071547, 2143094, 4286188, 6941761, 13883522, 27767044, 159660503, 319321006, 638642012]

約数ペア:

[(1, 638642012), (2, 319321006), (4, 159660503), (23, 27767044), (46, 13883522), (92, 6941761), (149, 4286188), (298, 2143094), (596, 1071547), (3427, 186356), (6854, 93178), (13708, 46589)]