81406304

素因数分解:

$2^5\times 7^1\times {\mathrm{53}}^1\times {\mathrm{6857}}^1$

素因数の和:6927

約数の個数: 48

約数和(自身を含む): 186647328

約数和(自身を除く): 105241024

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 53, 56, 106, 112, 212, 224, 371, 424, 742, 848, 1484, 1696, 2968, 5936, 6857, 11872, 13714, 27428, 47999, 54856, 95998, 109712, 191996, 219424, 363421, 383992, 726842, 767984, 1453684, 1535968, 2543947, 2907368, 5087894, 5814736, 10175788, 11629472, 20351576, 40703152, 81406304]

約数ペア:

[(1, 81406304), (2, 40703152), (4, 20351576), (7, 11629472), (8, 10175788), (14, 5814736), (16, 5087894), (28, 2907368), (32, 2543947), (53, 1535968), (56, 1453684), (106, 767984), (112, 726842), (212, 383992), (224, 363421), (371, 219424), (424, 191996), (742, 109712), (848, 95998), (1484, 54856), (1696, 47999), (2968, 27428), (5936, 13714), (6857, 11872)]