399193192

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{223}}^1\times {\mathrm{11777}}^1$

素因数の和:12025

約数の個数: 32

約数和(自身を含む): 791481600

約数和(自身を除く): 392288408

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 223, 446, 892, 1784, 4237, 8474, 11777, 16948, 23554, 33896, 47108, 94216, 223763, 447526, 895052, 1790104, 2626271, 5252542, 10505084, 21010168, 49899149, 99798298, 199596596, 399193192]

約数ペア:

[(1, 399193192), (2, 199596596), (4, 99798298), (8, 49899149), (19, 21010168), (38, 10505084), (76, 5252542), (152, 2626271), (223, 1790104), (446, 895052), (892, 447526), (1784, 223763), (4237, 94216), (8474, 47108), (11777, 33896), (16948, 23554)]