26557778

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{499}}^1$

素因数の和:626

約数の個数: 32

約数和(自身を含む): 45360000

約数和(自身を除く): 18802222

約数列:

[1, 2, 13, 23, 26, 46, 89, 178, 299, 499, 598, 998, 1157, 2047, 2314, 4094, 6487, 11477, 12974, 22954, 26611, 44411, 53222, 88822, 149201, 298402, 577343, 1021453, 1154686, 2042906, 13278889, 26557778]

約数ペア:

[(1, 26557778), (2, 13278889), (13, 2042906), (23, 1154686), (26, 1021453), (46, 577343), (89, 298402), (178, 149201), (299, 88822), (499, 53222), (598, 44411), (998, 26611), (1157, 22954), (2047, 12974), (2314, 11477), (4094, 6487)]