281277568

素因数分解:

$2^7\times {\mathrm{11}}^3\times {\mathrm{13}}^1\times {\mathrm{127}}^1$

素因数の和:187

約数の個数: 128

約数和(自身を含む): 668989440

約数和(自身を除く): 387711872

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 32, 44, 52, 64, 88, 104, 121, 127, 128, 143, 176, 208, 242, 254, 286, 352, 416, 484, 508, 572, 704, 832, 968, 1016, 1144, 1331, 1397, 1408, 1573, 1651, 1664, 1936, 2032, 2288, 2662, 2794, 3146, 3302, 3872, 4064, 4576, 5324, 5588, 6292, 6604, 7744, 8128, 9152, 10648, 11176, 12584, 13208, 15367, 15488, 16256, 17303, 18161, 18304, 21296, 22352, 25168, 26416, 30734, 34606, 36322, 42592, 44704, 50336, 52832, 61468, 69212, 72644, 85184, 89408, 100672, 105664, 122936, 138424, 145288, 169037, 170368, 178816, 199771, 201344, 211328, 245872, 276848, 290576, 338074, 399542, 491744, 553696, 581152, 676148, 799084, 983488, 1107392, 1162304, 1352296, 1598168, 1966976, 2197481, 2214784, 2324608, 2704592, 3196336, 4394962, 5409184, 6392672, 8789924, 10818368, 12785344, 17579848, 21636736, 25570688, 35159696, 70319392, 140638784, 281277568]

約数ペア:

[(1, 281277568), (2, 140638784), (4, 70319392), (8, 35159696), (11, 25570688), (13, 21636736), (16, 17579848), (22, 12785344), (26, 10818368), (32, 8789924), (44, 6392672), (52, 5409184), (64, 4394962), (88, 3196336), (104, 2704592), (121, 2324608), (127, 2214784), (128, 2197481), (143, 1966976), (176, 1598168), (208, 1352296), (242, 1162304), (254, 1107392), (286, 983488), (352, 799084), (416, 676148), (484, 581152), (508, 553696), (572, 491744), (704, 399542), (832, 338074), (968, 290576), (1016, 276848), (1144, 245872), (1331, 211328), (1397, 201344), (1408, 199771), (1573, 178816), (1651, 170368), (1664, 169037), (1936, 145288), (2032, 138424), (2288, 122936), (2662, 105664), (2794, 100672), (3146, 89408), (3302, 85184), (3872, 72644), (4064, 69212), (4576, 61468), (5324, 52832), (5588, 50336), (6292, 44704), (6604, 42592), (7744, 36322), (8128, 34606), (9152, 30734), (10648, 26416), (11176, 25168), (12584, 22352), (13208, 21296), (15367, 18304), (15488, 18161), (16256, 17303)]