291212038

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{2161}}^1$

素因数の和:2320

約数の個数: 32

約数和(自身を含む): 483803712

約数和(自身を除く): 192591674

約数列:

[1, 2, 13, 26, 71, 73, 142, 146, 923, 949, 1846, 1898, 2161, 4322, 5183, 10366, 28093, 56186, 67379, 134758, 153431, 157753, 306862, 315506, 1994603, 2050789, 3989206, 4101578, 11200463, 22400926, 145606019, 291212038]

約数ペア:

[(1, 291212038), (2, 145606019), (13, 22400926), (26, 11200463), (71, 4101578), (73, 3989206), (142, 2050789), (146, 1994603), (923, 315506), (949, 306862), (1846, 157753), (1898, 153431), (2161, 134758), (4322, 67379), (5183, 56186), (10366, 28093)]