31951370

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{173}}^1$

素因数の和:287

約数の個数: 64

約数和(自身を含む): 66749184

約数和(自身を除く): 34797814

約数列:

[1, 2, 5, 10, 11, 22, 23, 46, 55, 73, 110, 115, 146, 173, 230, 253, 346, 365, 506, 730, 803, 865, 1265, 1606, 1679, 1730, 1903, 2530, 3358, 3806, 3979, 4015, 7958, 8030, 8395, 9515, 12629, 16790, 18469, 19030, 19895, 25258, 36938, 39790, 43769, 63145, 87538, 92345, 126290, 138919, 184690, 218845, 277838, 290467, 437690, 580934, 694595, 1389190, 1452335, 2904670, 3195137, 6390274, 15975685, 31951370]

約数ペア:

[(1, 31951370), (2, 15975685), (5, 6390274), (10, 3195137), (11, 2904670), (22, 1452335), (23, 1389190), (46, 694595), (55, 580934), (73, 437690), (110, 290467), (115, 277838), (146, 218845), (173, 184690), (230, 138919), (253, 126290), (346, 92345), (365, 87538), (506, 63145), (730, 43769), (803, 39790), (865, 36938), (1265, 25258), (1606, 19895), (1679, 19030), (1730, 18469), (1903, 16790), (2530, 12629), (3358, 9515), (3806, 8395), (3979, 8030), (4015, 7958)]