389244464

素因数分解:

$2^4\times 7^1\times {\mathrm{173}}^1\times {\mathrm{20089}}^1$

素因数の和:20277

約数の個数: 40

約数和(自身を含む): 866923680

約数和(自身を除く): 477679216

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 173, 346, 692, 1211, 1384, 2422, 2768, 4844, 9688, 19376, 20089, 40178, 80356, 140623, 160712, 281246, 321424, 562492, 1124984, 2249968, 3475397, 6950794, 13901588, 24327779, 27803176, 48655558, 55606352, 97311116, 194622232, 389244464]

約数ペア:

[(1, 389244464), (2, 194622232), (4, 97311116), (7, 55606352), (8, 48655558), (14, 27803176), (16, 24327779), (28, 13901588), (56, 6950794), (112, 3475397), (173, 2249968), (346, 1124984), (692, 562492), (1211, 321424), (1384, 281246), (2422, 160712), (2768, 140623), (4844, 80356), (9688, 40178), (19376, 20089)]