131332864

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1$

素因数の和:146

約数の個数: 144

約数和(自身を含む): 311342080

約数和(自身を除く): 180009216

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 31, 32, 38, 52, 62, 64, 67, 76, 104, 124, 128, 134, 152, 208, 247, 248, 256, 268, 304, 403, 416, 494, 496, 536, 589, 608, 806, 832, 871, 988, 992, 1072, 1178, 1216, 1273, 1612, 1664, 1742, 1976, 1984, 2077, 2144, 2356, 2432, 2546, 3224, 3328, 3484, 3952, 3968, 4154, 4288, 4712, 4864, 5092, 6448, 6968, 7657, 7904, 7936, 8308, 8576, 9424, 10184, 12896, 13936, 15314, 15808, 16549, 16616, 17152, 18848, 20368, 25792, 27001, 27872, 30628, 31616, 33098, 33232, 37696, 39463, 40736, 51584, 54002, 55744, 61256, 63232, 66196, 66464, 75392, 78926, 81472, 103168, 108004, 111488, 122512, 132392, 132928, 150784, 157852, 162944, 216008, 222976, 245024, 264784, 265856, 315704, 325888, 432016, 490048, 513019, 529568, 531712, 631408, 864032, 980096, 1026038, 1059136, 1262816, 1728064, 1960192, 2052076, 2118272, 2525632, 3456128, 4104152, 4236544, 5051264, 6912256, 8208304, 10102528, 16416608, 32833216, 65666432, 131332864]

約数ペア:

[(1, 131332864), (2, 65666432), (4, 32833216), (8, 16416608), (13, 10102528), (16, 8208304), (19, 6912256), (26, 5051264), (31, 4236544), (32, 4104152), (38, 3456128), (52, 2525632), (62, 2118272), (64, 2052076), (67, 1960192), (76, 1728064), (104, 1262816), (124, 1059136), (128, 1026038), (134, 980096), (152, 864032), (208, 631408), (247, 531712), (248, 529568), (256, 513019), (268, 490048), (304, 432016), (403, 325888), (416, 315704), (494, 265856), (496, 264784), (536, 245024), (589, 222976), (608, 216008), (806, 162944), (832, 157852), (871, 150784), (988, 132928), (992, 132392), (1072, 122512), (1178, 111488), (1216, 108004), (1273, 103168), (1612, 81472), (1664, 78926), (1742, 75392), (1976, 66464), (1984, 66196), (2077, 63232), (2144, 61256), (2356, 55744), (2432, 54002), (2546, 51584), (3224, 40736), (3328, 39463), (3484, 37696), (3952, 33232), (3968, 33098), (4154, 31616), (4288, 30628), (4712, 27872), (4864, 27001), (5092, 25792), (6448, 20368), (6968, 18848), (7657, 17152), (7904, 16616), (7936, 16549), (8308, 15808), (8576, 15314), (9424, 13936), (10184, 12896)]