493959986

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{991}}^1\times {\mathrm{1009}}^1$

素因数の和:2034

約数の個数: 32

約数和(自身を含む): 841612800

約数和(自身を除く): 347652814

約数列:

[1, 2, 13, 19, 26, 38, 247, 494, 991, 1009, 1982, 2018, 12883, 13117, 18829, 19171, 25766, 26234, 37658, 38342, 244777, 249223, 489554, 498446, 999919, 1999838, 12998947, 18998461, 25997894, 37996922, 246979993, 493959986]

約数ペア:

[(1, 493959986), (2, 246979993), (13, 37996922), (19, 25997894), (26, 18998461), (38, 12998947), (247, 1999838), (494, 999919), (991, 498446), (1009, 489554), (1982, 249223), (2018, 244777), (12883, 38342), (13117, 37658), (18829, 26234), (19171, 25766)]