81994672

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{251}}^1\times {\mathrm{1201}}^1$

素因数の和:1477

約数の個数: 40

約数和(自身を含む): 169020432

約数和(自身を除く): 87025760

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 251, 272, 502, 1004, 1201, 2008, 2402, 4016, 4267, 4804, 8534, 9608, 17068, 19216, 20417, 34136, 40834, 68272, 81668, 163336, 301451, 326672, 602902, 1205804, 2411608, 4823216, 5124667, 10249334, 20498668, 40997336, 81994672]

約数ペア:

[(1, 81994672), (2, 40997336), (4, 20498668), (8, 10249334), (16, 5124667), (17, 4823216), (34, 2411608), (68, 1205804), (136, 602902), (251, 326672), (272, 301451), (502, 163336), (1004, 81668), (1201, 68272), (2008, 40834), (2402, 34136), (4016, 20417), (4267, 19216), (4804, 17068), (8534, 9608)]