888939688

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{389}}^1$

素因数の和:531

約数の個数: 128

約数和(自身を含む): 2133331200

約数和(自身を除く): 1244391512

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 43, 52, 56, 73, 86, 91, 104, 146, 172, 182, 292, 301, 344, 364, 389, 511, 559, 584, 602, 728, 778, 949, 1022, 1118, 1204, 1556, 1898, 2044, 2236, 2408, 2723, 3112, 3139, 3796, 3913, 4088, 4472, 5057, 5446, 6278, 6643, 7592, 7826, 10114, 10892, 12556, 13286, 15652, 16727, 20228, 21784, 21973, 25112, 26572, 28397, 31304, 33454, 35399, 40456, 40807, 43946, 53144, 56794, 66908, 70798, 81614, 87892, 113588, 117089, 133816, 141596, 163228, 175784, 198779, 217451, 227176, 234178, 283192, 285649, 326456, 369161, 397558, 434902, 468356, 571298, 738322, 795116, 869804, 936712, 1142596, 1221071, 1476644, 1522157, 1590232, 1739608, 2285192, 2442142, 2584127, 2953288, 3044314, 4884284, 5168254, 6088628, 8547497, 9768568, 10336508, 12177256, 15873923, 17094994, 20673016, 31747846, 34189988, 63495692, 68379976, 111117461, 126991384, 222234922, 444469844, 888939688]

約数ペア:

[(1, 888939688), (2, 444469844), (4, 222234922), (7, 126991384), (8, 111117461), (13, 68379976), (14, 63495692), (26, 34189988), (28, 31747846), (43, 20673016), (52, 17094994), (56, 15873923), (73, 12177256), (86, 10336508), (91, 9768568), (104, 8547497), (146, 6088628), (172, 5168254), (182, 4884284), (292, 3044314), (301, 2953288), (344, 2584127), (364, 2442142), (389, 2285192), (511, 1739608), (559, 1590232), (584, 1522157), (602, 1476644), (728, 1221071), (778, 1142596), (949, 936712), (1022, 869804), (1118, 795116), (1204, 738322), (1556, 571298), (1898, 468356), (2044, 434902), (2236, 397558), (2408, 369161), (2723, 326456), (3112, 285649), (3139, 283192), (3796, 234178), (3913, 227176), (4088, 217451), (4472, 198779), (5057, 175784), (5446, 163228), (6278, 141596), (6643, 133816), (7592, 117089), (7826, 113588), (10114, 87892), (10892, 81614), (12556, 70798), (13286, 66908), (15652, 56794), (16727, 53144), (20228, 43946), (21784, 40807), (21973, 40456), (25112, 35399), (26572, 33454), (28397, 31304)]