81755518

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{167}}^1\times {\mathrm{991}}^1$

素因数の和:1192

約数の個数: 32

約数和(自身を含む): 139991040

約数和(自身を除く): 58235522

約数列:

[1, 2, 13, 19, 26, 38, 167, 247, 334, 494, 991, 1982, 2171, 3173, 4342, 6346, 12883, 18829, 25766, 37658, 41249, 82498, 165497, 244777, 330994, 489554, 2151461, 3144443, 4302922, 6288886, 40877759, 81755518]

約数ペア:

[(1, 81755518), (2, 40877759), (13, 6288886), (19, 4302922), (26, 3144443), (38, 2151461), (167, 489554), (247, 330994), (334, 244777), (494, 165497), (991, 82498), (1982, 41249), (2171, 37658), (3173, 25766), (4342, 18829), (6346, 12883)]