390670928

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{281}}^1\times {\mathrm{2803}}^1$

素因数の和:3123

約数の個数: 40

約数和(自身を含む): 784402176

約数和(自身を除く): 393731248

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 281, 496, 562, 1124, 2248, 2803, 4496, 5606, 8711, 11212, 17422, 22424, 34844, 44848, 69688, 86893, 139376, 173786, 347572, 695144, 787643, 1390288, 1575286, 3150572, 6301144, 12602288, 24416933, 48833866, 97667732, 195335464, 390670928]

約数ペア:

[(1, 390670928), (2, 195335464), (4, 97667732), (8, 48833866), (16, 24416933), (31, 12602288), (62, 6301144), (124, 3150572), (248, 1575286), (281, 1390288), (496, 787643), (562, 695144), (1124, 347572), (2248, 173786), (2803, 139376), (4496, 86893), (5606, 69688), (8711, 44848), (11212, 34844), (17422, 22424)]