25733968

素因数分解:

$2^4\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{307}}^1$

素因数の和:372

約数の個数: 60

約数和(自身を含む): 55913088

約数和(自身を除く): 30179120

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 62, 104, 124, 169, 208, 248, 307, 338, 403, 496, 614, 676, 806, 1228, 1352, 1612, 2456, 2704, 3224, 3991, 4912, 5239, 6448, 7982, 9517, 10478, 15964, 19034, 20956, 31928, 38068, 41912, 51883, 63856, 76136, 83824, 103766, 123721, 152272, 207532, 247442, 415064, 494884, 830128, 989768, 1608373, 1979536, 3216746, 6433492, 12866984, 25733968]

約数ペア:

[(1, 25733968), (2, 12866984), (4, 6433492), (8, 3216746), (13, 1979536), (16, 1608373), (26, 989768), (31, 830128), (52, 494884), (62, 415064), (104, 247442), (124, 207532), (169, 152272), (208, 123721), (248, 103766), (307, 83824), (338, 76136), (403, 63856), (496, 51883), (614, 41912), (676, 38068), (806, 31928), (1228, 20956), (1352, 19034), (1612, 15964), (2456, 10478), (2704, 9517), (3224, 7982), (3991, 6448), (4912, 5239)]