2778121073

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{461}}^1\times {\mathrm{1409}}^1$

素因数の和:1937

約数の個数: 32

約数和(自身を含む): 3502033920

約数和(自身を除く): 723912847

約数列:

[1, 7, 13, 47, 91, 329, 461, 611, 1409, 3227, 4277, 5993, 9863, 18317, 21667, 41951, 66223, 128219, 151669, 281671, 463561, 649549, 860899, 1971697, 4546843, 6026293, 8444137, 30528803, 59108959, 213701621, 396874439, 2778121073]

約数ペア:

[(1, 2778121073), (7, 396874439), (13, 213701621), (47, 59108959), (91, 30528803), (329, 8444137), (461, 6026293), (611, 4546843), (1409, 1971697), (3227, 860899), (4277, 649549), (5993, 463561), (9863, 281671), (18317, 151669), (21667, 128219), (41951, 66223)]