128510816

素因数分解:

$2^5\times 7^1\times {\mathrm{211}}^1\times {\mathrm{2719}}^1$

素因数の和:2947

約数の個数: 48

約数和(自身を含む): 290626560

約数和(自身を除く): 162115744

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 211, 224, 422, 844, 1477, 1688, 2719, 2954, 3376, 5438, 5908, 6752, 10876, 11816, 19033, 21752, 23632, 38066, 43504, 47264, 76132, 87008, 152264, 304528, 573709, 609056, 1147418, 2294836, 4015963, 4589672, 8031926, 9179344, 16063852, 18358688, 32127704, 64255408, 128510816]

約数ペア:

[(1, 128510816), (2, 64255408), (4, 32127704), (7, 18358688), (8, 16063852), (14, 9179344), (16, 8031926), (28, 4589672), (32, 4015963), (56, 2294836), (112, 1147418), (211, 609056), (224, 573709), (422, 304528), (844, 152264), (1477, 87008), (1688, 76132), (2719, 47264), (2954, 43504), (3376, 38066), (5438, 23632), (5908, 21752), (6752, 19033), (10876, 11816)]