40688478

素因数分解:

$2^1\times 3^2\times {\mathrm{991}}^1\times {\mathrm{2281}}^1$

素因数の和:3280

約数の個数: 24

約数和(自身を含む): 88286016

約数和(自身を除く): 47597538

約数列:

[1, 2, 3, 6, 9, 18, 991, 1982, 2281, 2973, 4562, 5946, 6843, 8919, 13686, 17838, 20529, 41058, 2260471, 4520942, 6781413, 13562826, 20344239, 40688478]

約数ペア:

[(1, 40688478), (2, 20344239), (3, 13562826), (6, 6781413), (9, 4520942), (18, 2260471), (991, 41058), (1982, 20529), (2281, 17838), (2973, 13686), (4562, 8919), (5946, 6843)]