81943936

素因数分解:

$2^7\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{257}}^1$

素因数の和:371

約数の個数: 64

約数和(自身を含む): 170527680

約数和(自身を除く): 88583744

約数列:

[1, 2, 4, 8, 16, 32, 47, 53, 64, 94, 106, 128, 188, 212, 257, 376, 424, 514, 752, 848, 1028, 1504, 1696, 2056, 2491, 3008, 3392, 4112, 4982, 6016, 6784, 8224, 9964, 12079, 13621, 16448, 19928, 24158, 27242, 32896, 39856, 48316, 54484, 79712, 96632, 108968, 159424, 193264, 217936, 318848, 386528, 435872, 640187, 773056, 871744, 1280374, 1546112, 1743488, 2560748, 5121496, 10242992, 20485984, 40971968, 81943936]

約数ペア:

[(1, 81943936), (2, 40971968), (4, 20485984), (8, 10242992), (16, 5121496), (32, 2560748), (47, 1743488), (53, 1546112), (64, 1280374), (94, 871744), (106, 773056), (128, 640187), (188, 435872), (212, 386528), (257, 318848), (376, 217936), (424, 193264), (514, 159424), (752, 108968), (848, 96632), (1028, 79712), (1504, 54484), (1696, 48316), (2056, 39856), (2491, 32896), (3008, 27242), (3392, 24158), (4112, 19928), (4982, 16448), (6016, 13621), (6784, 12079), (8224, 9964)]