7771393225

素因数分解:

$5^2\times {\mathrm{43}}^2\times {\mathrm{89}}^1\times {\mathrm{1889}}^1$

素因数の和:2074

約数の個数: 36

約数和(自身を含む): 9981978300

約数和(自身を除く): 2210585075

約数列:

[1, 5, 25, 43, 89, 215, 445, 1075, 1849, 1889, 2225, 3827, 9245, 9445, 19135, 46225, 47225, 81227, 95675, 164561, 168121, 406135, 822805, 840605, 2030675, 3492761, 4114025, 4203025, 7229203, 17463805, 36146015, 87319025, 180730075, 310855729, 1554278645, 7771393225]

約数ペア:

[(1, 7771393225), (5, 1554278645), (25, 310855729), (43, 180730075), (89, 87319025), (215, 36146015), (445, 17463805), (1075, 7229203), (1849, 4203025), (1889, 4114025), (2225, 3492761), (3827, 2030675), (9245, 840605), (9445, 822805), (19135, 406135), (46225, 168121), (47225, 164561), (81227, 95675)]