28164612

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{2521}}^1$

素因数の和:2561

約数の個数: 72

約数和(自身を含む): 80502240

約数和(自身を除く): 52337628

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 19, 21, 28, 38, 42, 49, 57, 76, 84, 98, 114, 133, 147, 196, 228, 266, 294, 399, 532, 588, 798, 931, 1596, 1862, 2521, 2793, 3724, 5042, 5586, 7563, 10084, 11172, 15126, 17647, 30252, 35294, 47899, 52941, 70588, 95798, 105882, 123529, 143697, 191596, 211764, 247058, 287394, 335293, 370587, 494116, 574788, 670586, 741174, 1005879, 1341172, 1482348, 2011758, 2347051, 4023516, 4694102, 7041153, 9388204, 14082306, 28164612]

約数ペア:

[(1, 28164612), (2, 14082306), (3, 9388204), (4, 7041153), (6, 4694102), (7, 4023516), (12, 2347051), (14, 2011758), (19, 1482348), (21, 1341172), (28, 1005879), (38, 741174), (42, 670586), (49, 574788), (57, 494116), (76, 370587), (84, 335293), (98, 287394), (114, 247058), (133, 211764), (147, 191596), (196, 143697), (228, 123529), (266, 105882), (294, 95798), (399, 70588), (532, 52941), (588, 47899), (798, 35294), (931, 30252), (1596, 17647), (1862, 15126), (2521, 11172), (2793, 10084), (3724, 7563), (5042, 5586)]