28510638

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{907}}^1$

素因数の和:969

約数の個数: 48

約数和(自身を含む): 63806976

約数和(自身を除く): 35296338

約数列:

[1, 2, 3, 6, 13, 26, 31, 39, 62, 78, 93, 169, 186, 338, 403, 507, 806, 907, 1014, 1209, 1814, 2418, 2721, 5239, 5442, 10478, 11791, 15717, 23582, 28117, 31434, 35373, 56234, 70746, 84351, 153283, 168702, 306566, 365521, 459849, 731042, 919698, 1096563, 2193126, 4751773, 9503546, 14255319, 28510638]

約数ペア:

[(1, 28510638), (2, 14255319), (3, 9503546), (6, 4751773), (13, 2193126), (26, 1096563), (31, 919698), (39, 731042), (62, 459849), (78, 365521), (93, 306566), (169, 168702), (186, 153283), (338, 84351), (403, 70746), (507, 56234), (806, 35373), (907, 31434), (1014, 28117), (1209, 23582), (1814, 15717), (2418, 11791), (2721, 10478), (5239, 5442)]