42208405

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{83}}^1\times {\mathrm{101}}^1$

素因数の和:261

約数の個数: 32

約数和(自身を含む): 55520640

約数和(自身を除く): 13312235

約数列:

[1, 5, 19, 53, 83, 95, 101, 265, 415, 505, 1007, 1577, 1919, 4399, 5035, 5353, 7885, 8383, 9595, 21995, 26765, 41915, 83581, 101707, 159277, 417905, 444299, 508535, 796385, 2221495, 8441681, 42208405]

約数ペア:

[(1, 42208405), (5, 8441681), (19, 2221495), (53, 796385), (83, 508535), (95, 444299), (101, 417905), (265, 159277), (415, 101707), (505, 83581), (1007, 41915), (1577, 26765), (1919, 21995), (4399, 9595), (5035, 8383), (5353, 7885)]