38947904

素因数分解:

$2^6\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{293}}^1$

素因数の和:403

約数の個数: 56

約数和(自身を含む): 81247488

約数和(自身を除く): 42299584

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 67, 124, 134, 248, 268, 293, 496, 536, 586, 992, 1072, 1172, 1984, 2077, 2144, 2344, 4154, 4288, 4688, 8308, 9083, 9376, 16616, 18166, 18752, 19631, 33232, 36332, 39262, 66464, 72664, 78524, 132928, 145328, 157048, 290656, 314096, 581312, 608561, 628192, 1217122, 1256384, 2434244, 4868488, 9736976, 19473952, 38947904]

約数ペア:

[(1, 38947904), (2, 19473952), (4, 9736976), (8, 4868488), (16, 2434244), (31, 1256384), (32, 1217122), (62, 628192), (64, 608561), (67, 581312), (124, 314096), (134, 290656), (248, 157048), (268, 145328), (293, 132928), (496, 78524), (536, 72664), (586, 66464), (992, 39262), (1072, 36332), (1172, 33232), (1984, 19631), (2077, 18752), (2144, 18166), (2344, 16616), (4154, 9376), (4288, 9083), (4688, 8308)]