1395004

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{193}}^1$

素因数の和:349

約数の個数: 24

約数和(自身を含む): 2661680

約数和(自身を除く): 1266676

約数列:

[1, 2, 4, 13, 26, 52, 139, 193, 278, 386, 556, 772, 1807, 2509, 3614, 5018, 7228, 10036, 26827, 53654, 107308, 348751, 697502, 1395004]

約数ペア:

[(1, 1395004), (2, 697502), (4, 348751), (13, 107308), (26, 53654), (52, 26827), (139, 10036), (193, 7228), (278, 5018), (386, 3614), (556, 2509), (772, 1807)]