81778064

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{3643}}^1$

素因数の和:3735

約数の個数: 40

約数和(自身を含む): 168090432

約数和(自身を除く): 86312368

約数列:

[1, 2, 4, 8, 16, 23, 46, 61, 92, 122, 184, 244, 368, 488, 976, 1403, 2806, 3643, 5612, 7286, 11224, 14572, 22448, 29144, 58288, 83789, 167578, 222223, 335156, 444446, 670312, 888892, 1340624, 1777784, 3555568, 5111129, 10222258, 20444516, 40889032, 81778064]

約数ペア:

[(1, 81778064), (2, 40889032), (4, 20444516), (8, 10222258), (16, 5111129), (23, 3555568), (46, 1777784), (61, 1340624), (92, 888892), (122, 670312), (184, 444446), (244, 335156), (368, 222223), (488, 167578), (976, 83789), (1403, 58288), (2806, 29144), (3643, 22448), (5612, 14572), (7286, 11224)]