64816895

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{269}}^1\times {\mathrm{337}}^1$

素因数の和:635

約数の個数: 32

約数和(自身を含む): 91990080

約数和(自身を除く): 27173185

約数列:

[1, 5, 11, 13, 55, 65, 143, 269, 337, 715, 1345, 1685, 2959, 3497, 3707, 4381, 14795, 17485, 18535, 21905, 38467, 48191, 90653, 192335, 240955, 453265, 997183, 1178489, 4985915, 5892445, 12963379, 64816895]

約数ペア:

[(1, 64816895), (5, 12963379), (11, 5892445), (13, 4985915), (55, 1178489), (65, 997183), (143, 453265), (269, 240955), (337, 192335), (715, 90653), (1345, 48191), (1685, 38467), (2959, 21905), (3497, 18535), (3707, 17485), (4381, 14795)]