1279385968

素因数分解:

$2^4\times 7^1\times {\mathrm{1949}}^1\times {\mathrm{5861}}^1$

素因数の和:7825

約数の個数: 40

約数和(自身を含む): 2834863200

約数和(自身を除く): 1555477232

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 1949, 3898, 5861, 7796, 11722, 13643, 15592, 23444, 27286, 31184, 41027, 46888, 54572, 82054, 93776, 109144, 164108, 218288, 328216, 656432, 11423089, 22846178, 45692356, 79961623, 91384712, 159923246, 182769424, 319846492, 639692984, 1279385968]

約数ペア:

[(1, 1279385968), (2, 639692984), (4, 319846492), (7, 182769424), (8, 159923246), (14, 91384712), (16, 79961623), (28, 45692356), (56, 22846178), (112, 11423089), (1949, 656432), (3898, 328216), (5861, 218288), (7796, 164108), (11722, 109144), (13643, 93776), (15592, 82054), (23444, 54572), (27286, 46888), (31184, 41027)]