400266984

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{1282907}}^1$

素因数の和:1282929

約数の個数: 32

約数和(自身を含む): 1077642720

約数和(自身を除く): 677375736

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 1282907, 2565814, 3848721, 5131628, 7697442, 10263256, 15394884, 16677791, 30789768, 33355582, 50033373, 66711164, 100066746, 133422328, 200133492, 400266984]

約数ペア:

[(1, 400266984), (2, 200133492), (3, 133422328), (4, 100066746), (6, 66711164), (8, 50033373), (12, 33355582), (13, 30789768), (24, 16677791), (26, 15394884), (39, 10263256), (52, 7697442), (78, 5131628), (104, 3848721), (156, 2565814), (312, 1282907)]