71540992

素因数分解:

$2^8\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{97}}^1$

素因数の和:223

約数の個数: 72

約数和(自身を含む): 149833376

約数和(自身を除く): 78292384

約数列:

[1, 2, 4, 8, 16, 32, 43, 64, 67, 86, 97, 128, 134, 172, 194, 256, 268, 344, 388, 536, 688, 776, 1072, 1376, 1552, 2144, 2752, 2881, 3104, 4171, 4288, 5504, 5762, 6208, 6499, 8342, 8576, 11008, 11524, 12416, 12998, 16684, 17152, 23048, 24832, 25996, 33368, 46096, 51992, 66736, 92192, 103984, 133472, 184384, 207968, 266944, 279457, 368768, 415936, 533888, 558914, 737536, 831872, 1067776, 1117828, 1663744, 2235656, 4471312, 8942624, 17885248, 35770496, 71540992]

約数ペア:

[(1, 71540992), (2, 35770496), (4, 17885248), (8, 8942624), (16, 4471312), (32, 2235656), (43, 1663744), (64, 1117828), (67, 1067776), (86, 831872), (97, 737536), (128, 558914), (134, 533888), (172, 415936), (194, 368768), (256, 279457), (268, 266944), (344, 207968), (388, 184384), (536, 133472), (688, 103984), (776, 92192), (1072, 66736), (1376, 51992), (1552, 46096), (2144, 33368), (2752, 25996), (2881, 24832), (3104, 23048), (4171, 17152), (4288, 16684), (5504, 12998), (5762, 12416), (6208, 11524), (6499, 11008), (8342, 8576)]