51218944

素因数分解:

$2^9\times 7^1\times {\mathrm{31}}^1\times {\mathrm{461}}^1$

素因数の和:517

約数の個数: 80

約数和(自身を含む): 120992256

約数和(自身を除く): 69773312

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 56, 62, 64, 112, 124, 128, 217, 224, 248, 256, 434, 448, 461, 496, 512, 868, 896, 922, 992, 1736, 1792, 1844, 1984, 3227, 3472, 3584, 3688, 3968, 6454, 6944, 7376, 7936, 12908, 13888, 14291, 14752, 15872, 25816, 27776, 28582, 29504, 51632, 55552, 57164, 59008, 100037, 103264, 111104, 114328, 118016, 200074, 206528, 228656, 236032, 400148, 413056, 457312, 800296, 826112, 914624, 1600592, 1652224, 1829248, 3201184, 3658496, 6402368, 7316992, 12804736, 25609472, 51218944]

約数ペア:

[(1, 51218944), (2, 25609472), (4, 12804736), (7, 7316992), (8, 6402368), (14, 3658496), (16, 3201184), (28, 1829248), (31, 1652224), (32, 1600592), (56, 914624), (62, 826112), (64, 800296), (112, 457312), (124, 413056), (128, 400148), (217, 236032), (224, 228656), (248, 206528), (256, 200074), (434, 118016), (448, 114328), (461, 111104), (496, 103264), (512, 100037), (868, 59008), (896, 57164), (922, 55552), (992, 51632), (1736, 29504), (1792, 28582), (1844, 27776), (1984, 25816), (3227, 15872), (3472, 14752), (3584, 14291), (3688, 13888), (3968, 12908), (6454, 7936), (6944, 7376)]