81623308

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{571}}^1\times {\mathrm{2749}}^1$

素因数の和:3337

約数の個数: 24

約数和(自身を含む): 154154000

約数和(自身を除く): 72530692

約数列:

[1, 2, 4, 13, 26, 52, 571, 1142, 2284, 2749, 5498, 7423, 10996, 14846, 29692, 35737, 71474, 142948, 1569679, 3139358, 6278716, 20405827, 40811654, 81623308]

約数ペア:

[(1, 81623308), (2, 40811654), (4, 20405827), (13, 6278716), (26, 3139358), (52, 1569679), (571, 142948), (1142, 71474), (2284, 35737), (2749, 29692), (5498, 14846), (7423, 10996)]