278005754

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{2063}}^1$

素因数の和:2222

約数の個数: 32

約数和(自身を含む): 461873664

約数和(自身を除く): 183867910

約数列:

[1, 2, 13, 26, 71, 73, 142, 146, 923, 949, 1846, 1898, 2063, 4126, 5183, 10366, 26819, 53638, 67379, 134758, 146473, 150599, 292946, 301198, 1904149, 1957787, 3808298, 3915574, 10692529, 21385058, 139002877, 278005754]

約数ペア:

[(1, 278005754), (2, 139002877), (13, 21385058), (26, 10692529), (71, 3915574), (73, 3808298), (142, 1957787), (146, 1904149), (923, 301198), (949, 292946), (1846, 150599), (1898, 146473), (2063, 134758), (4126, 67379), (5183, 53638), (10366, 26819)]