81826525

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{761}}^1$

素因数の和:822

約数の個数: 48

約数和(自身を含む): 122456448

約数和(自身を除く): 40629923

約数列:

[1, 5, 11, 17, 23, 25, 55, 85, 115, 187, 253, 275, 391, 425, 575, 761, 935, 1265, 1955, 3805, 4301, 4675, 6325, 8371, 9775, 12937, 17503, 19025, 21505, 41855, 64685, 87515, 107525, 142307, 192533, 209275, 297551, 323425, 437575, 711535, 962665, 1487755, 3273061, 3557675, 4813325, 7438775, 16365305, 81826525]

約数ペア:

[(1, 81826525), (5, 16365305), (11, 7438775), (17, 4813325), (23, 3557675), (25, 3273061), (55, 1487755), (85, 962665), (115, 711535), (187, 437575), (253, 323425), (275, 297551), (391, 209275), (425, 192533), (575, 142307), (761, 107525), (935, 87515), (1265, 64685), (1955, 41855), (3805, 21505), (4301, 19025), (4675, 17503), (6325, 12937), (8371, 9775)]