1520792819

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{313}}^1\times {\mathrm{499}}^1$

素因数の和:939

約数の個数: 32

約数和(自身を含む): 1899072000

約数和(自身を除く): 378279181

約数列:

[1, 7, 13, 91, 107, 313, 499, 749, 1391, 2191, 3493, 4069, 6487, 9737, 28483, 33491, 45409, 53393, 156187, 234437, 373751, 435383, 694109, 1093309, 2030431, 3047681, 4858763, 14213017, 16712009, 116984063, 217256117, 1520792819]

約数ペア:

[(1, 1520792819), (7, 217256117), (13, 116984063), (91, 16712009), (107, 14213017), (313, 4858763), (499, 3047681), (749, 2030431), (1391, 1093309), (2191, 694109), (3493, 435383), (4069, 373751), (6487, 234437), (9737, 156187), (28483, 53393), (33491, 45409)]