668812732

素因数分解:

$2^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{199}}^1\times {\mathrm{4139}}^1$

素因数の和:4378

約数の個数: 48

約数和(自身を含む): 1391040000

約数和(自身を除く): 722227268

約数列:

[1, 2, 4, 7, 14, 28, 29, 58, 116, 199, 203, 398, 406, 796, 812, 1393, 2786, 4139, 5572, 5771, 8278, 11542, 16556, 23084, 28973, 40397, 57946, 80794, 115892, 120031, 161588, 240062, 480124, 823661, 840217, 1647322, 1680434, 3294644, 3360868, 5765627, 11531254, 23062508, 23886169, 47772338, 95544676, 167203183, 334406366, 668812732]

約数ペア:

[(1, 668812732), (2, 334406366), (4, 167203183), (7, 95544676), (14, 47772338), (28, 23886169), (29, 23062508), (58, 11531254), (116, 5765627), (199, 3360868), (203, 3294644), (398, 1680434), (406, 1647322), (796, 840217), (812, 823661), (1393, 480124), (2786, 240062), (4139, 161588), (5572, 120031), (5771, 115892), (8278, 80794), (11542, 57946), (16556, 40397), (23084, 28973)]