81898778

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{193}}^1\times {\mathrm{859}}^1$

素因数の和:1086

約数の個数: 32

約数和(自身を含む): 140145600

約数和(自身を除く): 58246822

約数列:

[1, 2, 13, 19, 26, 38, 193, 247, 386, 494, 859, 1718, 2509, 3667, 5018, 7334, 11167, 16321, 22334, 32642, 47671, 95342, 165787, 212173, 331574, 424346, 2155231, 3149953, 4310462, 6299906, 40949389, 81898778]

約数ペア:

[(1, 81898778), (2, 40949389), (13, 6299906), (19, 4310462), (26, 3149953), (38, 2155231), (193, 424346), (247, 331574), (386, 212173), (494, 165787), (859, 95342), (1718, 47671), (2509, 32642), (3667, 22334), (5018, 16321), (7334, 11167)]