339750476

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{347}}^1\times {\mathrm{991}}^1$

素因数の和:1374

約数の個数: 48

約数和(自身を含む): 676623360

約数和(自身を除く): 336872884

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 247, 347, 494, 694, 988, 991, 1388, 1982, 3964, 4511, 6593, 9022, 12883, 13186, 18044, 18829, 25766, 26372, 37658, 51532, 75316, 85709, 171418, 244777, 342836, 343877, 489554, 687754, 979108, 1375508, 4470401, 6533663, 8940802, 13067326, 17881604, 26134652, 84937619, 169875238, 339750476]

約数ペア:

[(1, 339750476), (2, 169875238), (4, 84937619), (13, 26134652), (19, 17881604), (26, 13067326), (38, 8940802), (52, 6533663), (76, 4470401), (247, 1375508), (347, 979108), (494, 687754), (694, 489554), (988, 343877), (991, 342836), (1388, 244777), (1982, 171418), (3964, 85709), (4511, 75316), (6593, 51532), (9022, 37658), (12883, 26372), (13186, 25766), (18044, 18829)]