217232345

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{2963}}^1$

素因数の和:3053

約数の個数: 32

約数和(自身を含む): 300478464

約数和(自身を除く): 83246119

約数列:

[1, 5, 11, 31, 43, 55, 155, 215, 341, 473, 1333, 1705, 2365, 2963, 6665, 14663, 14815, 32593, 73315, 91853, 127409, 162965, 459265, 637045, 1010383, 1401499, 3949679, 5051915, 7007495, 19748395, 43446469, 217232345]

約数ペア:

[(1, 217232345), (5, 43446469), (11, 19748395), (31, 7007495), (43, 5051915), (55, 3949679), (155, 1401499), (215, 1010383), (341, 637045), (473, 459265), (1333, 162965), (1705, 127409), (2365, 91853), (2963, 73315), (6665, 32593), (14663, 14815)]