31377554

素因数分解:

$2^1\times {\mathrm{13}}^3\times {\mathrm{37}}^1\times {\mathrm{193}}^1$

素因数の和:271

約数の個数: 32

約数和(自身を含む): 52636080

約数和(自身を除く): 21258526

約数列:

[1, 2, 13, 26, 37, 74, 169, 193, 338, 386, 481, 962, 2197, 2509, 4394, 5018, 6253, 7141, 12506, 14282, 32617, 65234, 81289, 92833, 162578, 185666, 424021, 848042, 1206829, 2413658, 15688777, 31377554]

約数ペア:

[(1, 31377554), (2, 15688777), (13, 2413658), (26, 1206829), (37, 848042), (74, 424021), (169, 185666), (193, 162578), (338, 92833), (386, 81289), (481, 65234), (962, 32617), (2197, 14282), (2509, 12506), (4394, 7141), (5018, 6253)]