16842215

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{149}}^1$

素因数の和:251

約数の個数: 32

約数和(自身を含む): 22982400

約数和(自身を除く): 6140185

約数列:

[1, 5, 13, 37, 47, 65, 149, 185, 235, 481, 611, 745, 1739, 1937, 2405, 3055, 5513, 7003, 8695, 9685, 22607, 27565, 35015, 71669, 91039, 113035, 259111, 358345, 455195, 1295555, 3368443, 16842215]

約数ペア:

[(1, 16842215), (5, 3368443), (13, 1295555), (37, 455195), (47, 358345), (65, 259111), (149, 113035), (185, 91039), (235, 71669), (481, 35015), (611, 27565), (745, 22607), (1739, 9685), (1937, 8695), (2405, 7003), (3055, 5513)]