13243475

素因数分解:

$5^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{569}}^1$

素因数の和:612

約数の個数: 36

約数和(自身を含む): 20143800

約数和(自身を除く): 6900325

約数列:

[1, 5, 7, 19, 25, 35, 49, 95, 133, 175, 245, 475, 569, 665, 931, 1225, 2845, 3325, 3983, 4655, 10811, 14225, 19915, 23275, 27881, 54055, 75677, 99575, 139405, 270275, 378385, 529739, 697025, 1891925, 2648695, 13243475]

約数ペア:

[(1, 13243475), (5, 2648695), (7, 1891925), (19, 697025), (25, 529739), (35, 378385), (49, 270275), (95, 139405), (133, 99575), (175, 75677), (245, 54055), (475, 27881), (569, 23275), (665, 19915), (931, 14225), (1225, 10811), (2845, 4655), (3325, 3983)]