1991569492

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{157}}^1\times {\mathrm{26209}}^1$

素因数の和:26392

約数の個数: 36

約数和(自身を含む): 3855438580

約数和(自身を除く): 1863869088

約数列:

[1, 2, 4, 11, 22, 44, 121, 157, 242, 314, 484, 628, 1727, 3454, 6908, 18997, 26209, 37994, 52418, 75988, 104836, 288299, 576598, 1153196, 3171289, 4114813, 6342578, 8229626, 12685156, 16459252, 45262943, 90525886, 181051772, 497892373, 995784746, 1991569492]

約数ペア:

[(1, 1991569492), (2, 995784746), (4, 497892373), (11, 181051772), (22, 90525886), (44, 45262943), (121, 16459252), (157, 12685156), (242, 8229626), (314, 6342578), (484, 4114813), (628, 3171289), (1727, 1153196), (3454, 576598), (6908, 288299), (18997, 104836), (26209, 75988), (37994, 52418)]