28123056

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{181}}^1$

素因数の和:291

約数の個数: 120

約数和(自身を含む): 86254896

約数和(自身を除く): 58131840

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 36, 39, 48, 52, 72, 78, 83, 104, 117, 144, 156, 166, 181, 208, 234, 249, 312, 332, 362, 468, 498, 543, 624, 664, 724, 747, 936, 996, 1079, 1086, 1328, 1448, 1494, 1629, 1872, 1992, 2158, 2172, 2353, 2896, 2988, 3237, 3258, 3984, 4316, 4344, 4706, 5976, 6474, 6516, 7059, 8632, 8688, 9412, 9711, 11952, 12948, 13032, 14118, 15023, 17264, 18824, 19422, 21177, 25896, 26064, 28236, 30046, 37648, 38844, 42354, 45069, 51792, 56472, 60092, 77688, 84708, 90138, 112944, 120184, 135207, 155376, 169416, 180276, 195299, 240368, 270414, 338832, 360552, 390598, 540828, 585897, 721104, 781196, 1081656, 1171794, 1562392, 1757691, 2163312, 2343588, 3124784, 3515382, 4687176, 7030764, 9374352, 14061528, 28123056]

約数ペア:

[(1, 28123056), (2, 14061528), (3, 9374352), (4, 7030764), (6, 4687176), (8, 3515382), (9, 3124784), (12, 2343588), (13, 2163312), (16, 1757691), (18, 1562392), (24, 1171794), (26, 1081656), (36, 781196), (39, 721104), (48, 585897), (52, 540828), (72, 390598), (78, 360552), (83, 338832), (104, 270414), (117, 240368), (144, 195299), (156, 180276), (166, 169416), (181, 155376), (208, 135207), (234, 120184), (249, 112944), (312, 90138), (332, 84708), (362, 77688), (468, 60092), (498, 56472), (543, 51792), (624, 45069), (664, 42354), (724, 38844), (747, 37648), (936, 30046), (996, 28236), (1079, 26064), (1086, 25896), (1328, 21177), (1448, 19422), (1494, 18824), (1629, 17264), (1872, 15023), (1992, 14118), (2158, 13032), (2172, 12948), (2353, 11952), (2896, 9711), (2988, 9412), (3237, 8688), (3258, 8632), (3984, 7059), (4316, 6516), (4344, 6474), (4706, 5976)]