12981184

素因数分解:

$2^6\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1$

素因数の和:197

約数の個数: 56

約数和(自身を含む): 27157680

約数和(自身を除く): 14176496

約数列:

[1, 2, 4, 8, 16, 32, 43, 53, 64, 86, 89, 106, 172, 178, 212, 344, 356, 424, 688, 712, 848, 1376, 1424, 1696, 2279, 2752, 2848, 3392, 3827, 4558, 4717, 5696, 7654, 9116, 9434, 15308, 18232, 18868, 30616, 36464, 37736, 61232, 72928, 75472, 122464, 145856, 150944, 202831, 244928, 301888, 405662, 811324, 1622648, 3245296, 6490592, 12981184]

約数ペア:

[(1, 12981184), (2, 6490592), (4, 3245296), (8, 1622648), (16, 811324), (32, 405662), (43, 301888), (53, 244928), (64, 202831), (86, 150944), (89, 145856), (106, 122464), (172, 75472), (178, 72928), (212, 61232), (344, 37736), (356, 36464), (424, 30616), (688, 18868), (712, 18232), (848, 15308), (1376, 9434), (1424, 9116), (1696, 7654), (2279, 5696), (2752, 4717), (2848, 4558), (3392, 3827)]