81330496

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{1459}}^1$

素因数の和:1551

約数の個数: 56

約数和(自身を含む): 176519840

約数和(自身を除く): 95189344

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 67, 104, 134, 208, 268, 416, 536, 832, 871, 1072, 1459, 1742, 2144, 2918, 3484, 4288, 5836, 6968, 11672, 13936, 18967, 23344, 27872, 37934, 46688, 55744, 75868, 93376, 97753, 151736, 195506, 303472, 391012, 606944, 782024, 1213888, 1270789, 1564048, 2541578, 3128096, 5083156, 6256192, 10166312, 20332624, 40665248, 81330496]

約数ペア:

[(1, 81330496), (2, 40665248), (4, 20332624), (8, 10166312), (13, 6256192), (16, 5083156), (26, 3128096), (32, 2541578), (52, 1564048), (64, 1270789), (67, 1213888), (104, 782024), (134, 606944), (208, 391012), (268, 303472), (416, 195506), (536, 151736), (832, 97753), (871, 93376), (1072, 75868), (1459, 55744), (1742, 46688), (2144, 37934), (2918, 27872), (3484, 23344), (4288, 18967), (5836, 13936), (6968, 11672)]