28913136

素因数分解:

$2^4\times 3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{647}}^1$

素因数の和:691

約数の個数: 120

約数和(自身を含む): 91601280

約数和(自身を除く): 62688144

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 19, 21, 24, 28, 38, 42, 48, 49, 56, 57, 76, 84, 98, 112, 114, 133, 147, 152, 168, 196, 228, 266, 294, 304, 336, 392, 399, 456, 532, 588, 647, 784, 798, 912, 931, 1064, 1176, 1294, 1596, 1862, 1941, 2128, 2352, 2588, 2793, 3192, 3724, 3882, 4529, 5176, 5586, 6384, 7448, 7764, 9058, 10352, 11172, 12293, 13587, 14896, 15528, 18116, 22344, 24586, 27174, 31056, 31703, 36232, 36879, 44688, 49172, 54348, 63406, 72464, 73758, 86051, 95109, 98344, 108696, 126812, 147516, 172102, 190218, 196688, 217392, 253624, 258153, 295032, 344204, 380436, 507248, 516306, 590064, 602357, 688408, 760872, 1032612, 1204714, 1376816, 1521744, 1807071, 2065224, 2409428, 3614142, 4130448, 4818856, 7228284, 9637712, 14456568, 28913136]

約数ペア:

[(1, 28913136), (2, 14456568), (3, 9637712), (4, 7228284), (6, 4818856), (7, 4130448), (8, 3614142), (12, 2409428), (14, 2065224), (16, 1807071), (19, 1521744), (21, 1376816), (24, 1204714), (28, 1032612), (38, 760872), (42, 688408), (48, 602357), (49, 590064), (56, 516306), (57, 507248), (76, 380436), (84, 344204), (98, 295032), (112, 258153), (114, 253624), (133, 217392), (147, 196688), (152, 190218), (168, 172102), (196, 147516), (228, 126812), (266, 108696), (294, 98344), (304, 95109), (336, 86051), (392, 73758), (399, 72464), (456, 63406), (532, 54348), (588, 49172), (647, 44688), (784, 36879), (798, 36232), (912, 31703), (931, 31056), (1064, 27174), (1176, 24586), (1294, 22344), (1596, 18116), (1862, 15528), (1941, 14896), (2128, 13587), (2352, 12293), (2588, 11172), (2793, 10352), (3192, 9058), (3724, 7764), (3882, 7448), (4529, 6384), (5176, 5586)]