205170290

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{191}}^1\times {\mathrm{8263}}^1$

素因数の和:8474

約数の個数: 32

約数和(自身を含む): 399845376

約数和(自身を除く): 194675086

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 191, 382, 955, 1910, 2483, 4966, 8263, 12415, 16526, 24830, 41315, 82630, 107419, 214838, 537095, 1074190, 1578233, 3156466, 7891165, 15782330, 20517029, 41034058, 102585145, 205170290]

約数ペア:

[(1, 205170290), (2, 102585145), (5, 41034058), (10, 20517029), (13, 15782330), (26, 7891165), (65, 3156466), (130, 1578233), (191, 1074190), (382, 537095), (955, 214838), (1910, 107419), (2483, 82630), (4966, 41315), (8263, 24830), (12415, 16526)]