71463808

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{641}}^1$

素因数の和:735

約数の個数: 64

約数和(自身を含む): 155851920

約数和(自身を除く): 84388112

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 67, 104, 128, 134, 208, 268, 416, 536, 641, 832, 871, 1072, 1282, 1664, 1742, 2144, 2564, 3484, 4288, 5128, 6968, 8333, 8576, 10256, 13936, 16666, 20512, 27872, 33332, 41024, 42947, 55744, 66664, 82048, 85894, 111488, 133328, 171788, 266656, 343576, 533312, 558311, 687152, 1066624, 1116622, 1374304, 2233244, 2748608, 4466488, 5497216, 8932976, 17865952, 35731904, 71463808]

約数ペア:

[(1, 71463808), (2, 35731904), (4, 17865952), (8, 8932976), (13, 5497216), (16, 4466488), (26, 2748608), (32, 2233244), (52, 1374304), (64, 1116622), (67, 1066624), (104, 687152), (128, 558311), (134, 533312), (208, 343576), (268, 266656), (416, 171788), (536, 133328), (641, 111488), (832, 85894), (871, 82048), (1072, 66664), (1282, 55744), (1664, 42947), (1742, 41024), (2144, 33332), (2564, 27872), (3484, 20512), (4288, 16666), (5128, 13936), (6968, 10256), (8333, 8576)]