247059215

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{9721}}^1$

素因数の和:9779

約数の個数: 32

約数和(自身を含む): 352791936

約数和(自身を除く): 105732721

約数列:

[1, 5, 13, 17, 23, 65, 85, 115, 221, 299, 391, 1105, 1495, 1955, 5083, 9721, 25415, 48605, 126373, 165257, 223583, 631865, 826285, 1117915, 2148341, 2906579, 3800911, 10741705, 14532895, 19004555, 49411843, 247059215]

約数ペア:

[(1, 247059215), (5, 49411843), (13, 19004555), (17, 14532895), (23, 10741705), (65, 3800911), (85, 2906579), (115, 2148341), (221, 1117915), (299, 826285), (391, 631865), (1105, 223583), (1495, 165257), (1955, 126373), (5083, 48605), (9721, 25415)]