71811584

素因数分解:

$2^9\times {\mathrm{13}}^1\times {\mathrm{10789}}^1$

素因数の和:10820

約数の個数: 40

約数和(自身を含む): 154534380

約数和(自身を除く): 82722796

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 256, 416, 512, 832, 1664, 3328, 6656, 10789, 21578, 43156, 86312, 140257, 172624, 280514, 345248, 561028, 690496, 1122056, 1380992, 2244112, 2761984, 4488224, 5523968, 8976448, 17952896, 35905792, 71811584]

約数ペア:

[(1, 71811584), (2, 35905792), (4, 17952896), (8, 8976448), (13, 5523968), (16, 4488224), (26, 2761984), (32, 2244112), (52, 1380992), (64, 1122056), (104, 690496), (128, 561028), (208, 345248), (256, 280514), (416, 172624), (512, 140257), (832, 86312), (1664, 43156), (3328, 21578), (6656, 10789)]