231131784

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{1039}}^1$

素因数の和:1115

約数の個数: 128

約数和(自身を含む): 670924800

約数和(自身を除く): 439793016

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 23, 24, 26, 31, 39, 46, 52, 62, 69, 78, 92, 93, 104, 124, 138, 156, 184, 186, 248, 276, 299, 312, 372, 403, 552, 598, 713, 744, 806, 897, 1039, 1196, 1209, 1426, 1612, 1794, 2078, 2139, 2392, 2418, 2852, 3117, 3224, 3588, 4156, 4278, 4836, 5704, 6234, 7176, 8312, 8556, 9269, 9672, 12468, 13507, 17112, 18538, 23897, 24936, 27014, 27807, 32209, 37076, 40521, 47794, 54028, 55614, 64418, 71691, 74152, 81042, 95588, 96627, 108056, 111228, 128836, 143382, 162084, 191176, 193254, 222456, 257672, 286764, 310661, 324168, 386508, 418717, 573528, 621322, 740807, 773016, 837434, 931983, 1242644, 1256151, 1481614, 1674868, 1863966, 2222421, 2485288, 2512302, 2963228, 3349736, 3727932, 4444842, 5024604, 5926456, 7455864, 8889684, 9630491, 10049208, 17779368, 19260982, 28891473, 38521964, 57782946, 77043928, 115565892, 231131784]

約数ペア:

[(1, 231131784), (2, 115565892), (3, 77043928), (4, 57782946), (6, 38521964), (8, 28891473), (12, 19260982), (13, 17779368), (23, 10049208), (24, 9630491), (26, 8889684), (31, 7455864), (39, 5926456), (46, 5024604), (52, 4444842), (62, 3727932), (69, 3349736), (78, 2963228), (92, 2512302), (93, 2485288), (104, 2222421), (124, 1863966), (138, 1674868), (156, 1481614), (184, 1256151), (186, 1242644), (248, 931983), (276, 837434), (299, 773016), (312, 740807), (372, 621322), (403, 573528), (552, 418717), (598, 386508), (713, 324168), (744, 310661), (806, 286764), (897, 257672), (1039, 222456), (1196, 193254), (1209, 191176), (1426, 162084), (1612, 143382), (1794, 128836), (2078, 111228), (2139, 108056), (2392, 96627), (2418, 95588), (2852, 81042), (3117, 74152), (3224, 71691), (3588, 64418), (4156, 55614), (4278, 54028), (4836, 47794), (5704, 40521), (6234, 37076), (7176, 32209), (8312, 27807), (8556, 27014), (9269, 24936), (9672, 23897), (12468, 18538), (13507, 17112)]