28685736

素因数分解:

$2^3\times 3^2\times {\mathrm{239}}^1\times {\mathrm{1667}}^1$

素因数の和:1918

約数の個数: 48

約数和(自身を含む): 78062400

約数和(自身を除く): 49376664

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 239, 478, 717, 956, 1434, 1667, 1912, 2151, 2868, 3334, 4302, 5001, 5736, 6668, 8604, 10002, 13336, 15003, 17208, 20004, 30006, 40008, 60012, 120024, 398413, 796826, 1195239, 1593652, 2390478, 3187304, 3585717, 4780956, 7171434, 9561912, 14342868, 28685736]

約数ペア:

[(1, 28685736), (2, 14342868), (3, 9561912), (4, 7171434), (6, 4780956), (8, 3585717), (9, 3187304), (12, 2390478), (18, 1593652), (24, 1195239), (36, 796826), (72, 398413), (239, 120024), (478, 60012), (717, 40008), (956, 30006), (1434, 20004), (1667, 17208), (1912, 15003), (2151, 13336), (2868, 10002), (3334, 8604), (4302, 6668), (5001, 5736)]