291306008

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^2\times {\mathrm{5413}}^1$

素因数の和:5488

約数の個数: 48

約数和(自身を含む): 645132240

約数和(自身を除く): 353826232

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 56, 62, 124, 217, 248, 434, 868, 961, 1736, 1922, 3844, 5413, 6727, 7688, 10826, 13454, 21652, 26908, 37891, 43304, 53816, 75782, 151564, 167803, 303128, 335606, 671212, 1174621, 1342424, 2349242, 4698484, 5201893, 9396968, 10403786, 20807572, 36413251, 41615144, 72826502, 145653004, 291306008]

約数ペア:

[(1, 291306008), (2, 145653004), (4, 72826502), (7, 41615144), (8, 36413251), (14, 20807572), (28, 10403786), (31, 9396968), (56, 5201893), (62, 4698484), (124, 2349242), (217, 1342424), (248, 1174621), (434, 671212), (868, 335606), (961, 303128), (1736, 167803), (1922, 151564), (3844, 75782), (5413, 53816), (6727, 43304), (7688, 37891), (10826, 26908), (13454, 21652)]