31478645

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{257}}^1$

素因数の和:421

約数の個数: 32

約数和(自身を含む): 44136576

約数和(自身を除く): 12657931

約数列:

[1, 5, 11, 17, 55, 85, 131, 187, 257, 655, 935, 1285, 1441, 2227, 2827, 4369, 7205, 11135, 14135, 21845, 24497, 33667, 48059, 122485, 168335, 240295, 370337, 572339, 1851685, 2861695, 6295729, 31478645]

約数ペア:

[(1, 31478645), (5, 6295729), (11, 2861695), (17, 1851685), (55, 572339), (85, 370337), (131, 240295), (187, 168335), (257, 122485), (655, 48059), (935, 33667), (1285, 24497), (1441, 21845), (2227, 14135), (2827, 11135), (4369, 7205)]