64621856

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{5011}}^1$

素因数の和:5065

約数の個数: 48

約数和(自身を含む): 141458688

約数和(自身を除く): 76836832

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 32, 52, 62, 104, 124, 208, 248, 403, 416, 496, 806, 992, 1612, 3224, 5011, 6448, 10022, 12896, 20044, 40088, 65143, 80176, 130286, 155341, 160352, 260572, 310682, 521144, 621364, 1042288, 1242728, 2019433, 2084576, 2485456, 4038866, 4970912, 8077732, 16155464, 32310928, 64621856]

約数ペア:

[(1, 64621856), (2, 32310928), (4, 16155464), (8, 8077732), (13, 4970912), (16, 4038866), (26, 2485456), (31, 2084576), (32, 2019433), (52, 1242728), (62, 1042288), (104, 621364), (124, 521144), (208, 310682), (248, 260572), (403, 160352), (416, 155341), (496, 130286), (806, 80176), (992, 65143), (1612, 40088), (3224, 20044), (5011, 12896), (6448, 10022)]