81215008

素因数分解:

$2^5\times 7^1\times {\mathrm{307}}^1\times {\mathrm{1181}}^1$

素因数の和:1505

約数の個数: 48

約数和(自身を含む): 183484224

約数和(自身を除く): 102269216

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 224, 307, 614, 1181, 1228, 2149, 2362, 2456, 4298, 4724, 4912, 8267, 8596, 9448, 9824, 16534, 17192, 18896, 33068, 34384, 37792, 66136, 68768, 132272, 264544, 362567, 725134, 1450268, 2537969, 2900536, 5075938, 5801072, 10151876, 11602144, 20303752, 40607504, 81215008]

約数ペア:

[(1, 81215008), (2, 40607504), (4, 20303752), (7, 11602144), (8, 10151876), (14, 5801072), (16, 5075938), (28, 2900536), (32, 2537969), (56, 1450268), (112, 725134), (224, 362567), (307, 264544), (614, 132272), (1181, 68768), (1228, 66136), (2149, 37792), (2362, 34384), (2456, 33068), (4298, 18896), (4724, 17192), (4912, 16534), (8267, 9824), (8596, 9448)]