81489687532

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{1907}}^1\times {\mathrm{88289}}^1$

素因数の和:90222

約数の個数: 36

約数和(自身を含む): 156833764920

約数和(自身を除く): 75344077388

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 1907, 3814, 7628, 20977, 41954, 83908, 88289, 176578, 230747, 353156, 461494, 922988, 971179, 1942358, 3884716, 10682969, 21365938, 42731876, 168367123, 336734246, 673468492, 1852038353, 3704076706, 7408153412, 20372421883, 40744843766, 81489687532]

約数ペア:

[(1, 81489687532), (2, 40744843766), (4, 20372421883), (11, 7408153412), (22, 3704076706), (44, 1852038353), (121, 673468492), (242, 336734246), (484, 168367123), (1907, 42731876), (3814, 21365938), (7628, 10682969), (20977, 3884716), (41954, 1942358), (83908, 971179), (88289, 922988), (176578, 461494), (230747, 353156)]