12783745

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{503}}^1$

素因数の和:561

約数の個数: 32

約数和(自身を含む): 18289152

約数和(自身を除く): 5505407

約数列:

[1, 5, 13, 17, 23, 65, 85, 115, 221, 299, 391, 503, 1105, 1495, 1955, 2515, 5083, 6539, 8551, 11569, 25415, 32695, 42755, 57845, 111163, 150397, 196673, 555815, 751985, 983365, 2556749, 12783745]

約数ペア:

[(1, 12783745), (5, 2556749), (13, 983365), (17, 751985), (23, 555815), (65, 196673), (85, 150397), (115, 111163), (221, 57845), (299, 42755), (391, 32695), (503, 25415), (1105, 11569), (1495, 8551), (1955, 6539), (2515, 5083)]