81009448

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{25127}}^1$

素因数の和:25177

約数の個数: 32

約数和(自身を含む): 168860160

約数和(自身を除く): 87850712

約数列:

[1, 2, 4, 8, 13, 26, 31, 52, 62, 104, 124, 248, 403, 806, 1612, 3224, 25127, 50254, 100508, 201016, 326651, 653302, 778937, 1306604, 1557874, 2613208, 3115748, 6231496, 10126181, 20252362, 40504724, 81009448]

約数ペア:

[(1, 81009448), (2, 40504724), (4, 20252362), (8, 10126181), (13, 6231496), (26, 3115748), (31, 2613208), (52, 1557874), (62, 1306604), (104, 778937), (124, 653302), (248, 326651), (403, 201016), (806, 100508), (1612, 50254), (3224, 25127)]