81430525

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{151}}^1$

素因数の和:262

約数の個数: 48

約数和(自身を含む): 116028288

約数和(自身を除く): 34597763

約数列:

[1, 5, 11, 25, 37, 53, 55, 151, 185, 265, 275, 407, 583, 755, 925, 1325, 1661, 1961, 2035, 2915, 3775, 5587, 8003, 8305, 9805, 10175, 14575, 21571, 27935, 40015, 41525, 49025, 61457, 88033, 107855, 139675, 200075, 296111, 307285, 440165, 539275, 1480555, 1536425, 2200825, 3257221, 7402775, 16286105, 81430525]

約数ペア:

[(1, 81430525), (5, 16286105), (11, 7402775), (25, 3257221), (37, 2200825), (53, 1536425), (55, 1480555), (151, 539275), (185, 440165), (265, 307285), (275, 296111), (407, 200075), (583, 139675), (755, 107855), (925, 88033), (1325, 61457), (1661, 49025), (1961, 41525), (2035, 40015), (2915, 27935), (3775, 21571), (5587, 14575), (8003, 10175), (8305, 9805)]