78798070

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{311}}^1\times {\mathrm{1949}}^1$

素因数の和:2280

約数の個数: 32

約数和(自身を含む): 153316800

約数和(自身を除く): 74518730

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 311, 622, 1555, 1949, 3110, 3898, 4043, 8086, 9745, 19490, 20215, 25337, 40430, 50674, 126685, 253370, 606139, 1212278, 3030695, 6061390, 7879807, 15759614, 39399035, 78798070]

約数ペア:

[(1, 78798070), (2, 39399035), (5, 15759614), (10, 7879807), (13, 6061390), (26, 3030695), (65, 1212278), (130, 606139), (311, 253370), (622, 126685), (1555, 50674), (1949, 40430), (3110, 25337), (3898, 20215), (4043, 19490), (8086, 9745)]