247197886

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{509}}^1\times {\mathrm{18679}}^1$

素因数の和:19203

約数の個数: 16

約数和(自身を含む): 400125600

約数和(自身を除く): 152927714

約数列:

[1, 2, 13, 26, 509, 1018, 6617, 13234, 18679, 37358, 242827, 485654, 9507611, 19015222, 123598943, 247197886]

約数ペア:

[(1, 247197886), (2, 123598943), (13, 19015222), (26, 9507611), (509, 485654), (1018, 242827), (6617, 37358), (13234, 18679)]