81647384

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{112153}}^1$

素因数の和:112179

約数の個数: 32

約数和(自身を含む): 188418720

約数和(自身を除く): 106771336

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 182, 364, 728, 112153, 224306, 448612, 785071, 897224, 1457989, 1570142, 2915978, 3140284, 5831956, 6280568, 10205923, 11663912, 20411846, 40823692, 81647384]

約数ペア:

[(1, 81647384), (2, 40823692), (4, 20411846), (7, 11663912), (8, 10205923), (13, 6280568), (14, 5831956), (26, 3140284), (28, 2915978), (52, 1570142), (56, 1457989), (91, 897224), (104, 785071), (182, 448612), (364, 224306), (728, 112153)]