1989736016255

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{149}}^1\times {\mathrm{1601}}^1\times {\mathrm{9871}}^1$

素因数の和:11652

約数の個数: 48

約数和(自身を含む): 2604721276800

約数和(自身を除く): 614985260545

約数列:

[1, 5, 13, 65, 149, 169, 745, 845, 1601, 1937, 8005, 9685, 9871, 20813, 25181, 49355, 104065, 125905, 128323, 238549, 270569, 641615, 1192745, 1352845, 1470779, 1668199, 3101137, 7353895, 8340995, 15505685, 15803471, 19120127, 40314781, 79017355, 95600635, 201573905, 205445123, 248561651, 1027225615, 1242808255, 2354717179, 2670786599, 11773585895, 13353932995, 30611323327, 153056616635, 397947203251, 1989736016255]

約数ペア:

[(1, 1989736016255), (5, 397947203251), (13, 153056616635), (65, 30611323327), (149, 13353932995), (169, 11773585895), (745, 2670786599), (845, 2354717179), (1601, 1242808255), (1937, 1027225615), (8005, 248561651), (9685, 205445123), (9871, 201573905), (20813, 95600635), (25181, 79017355), (49355, 40314781), (104065, 19120127), (125905, 15803471), (128323, 15505685), (238549, 8340995), (270569, 7353895), (641615, 3101137), (1192745, 1668199), (1352845, 1470779)]