81519234

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{107}}^1\times {\mathrm{163}}^1$

素因数の和:335

約数の個数: 64

約数和(自身を含む): 178536960

約数和(自身を除く): 97017726

約数列:

[1, 2, 3, 6, 19, 38, 41, 57, 82, 107, 114, 123, 163, 214, 246, 321, 326, 489, 642, 779, 978, 1558, 2033, 2337, 3097, 4066, 4387, 4674, 6099, 6194, 6683, 8774, 9291, 12198, 13161, 13366, 17441, 18582, 20049, 26322, 34882, 40098, 52323, 83353, 104646, 126977, 166706, 250059, 253954, 331379, 380931, 500118, 662758, 715081, 761862, 994137, 1430162, 1988274, 2145243, 4290486, 13586539, 27173078, 40759617, 81519234]

約数ペア:

[(1, 81519234), (2, 40759617), (3, 27173078), (6, 13586539), (19, 4290486), (38, 2145243), (41, 1988274), (57, 1430162), (82, 994137), (107, 761862), (114, 715081), (123, 662758), (163, 500118), (214, 380931), (246, 331379), (321, 253954), (326, 250059), (489, 166706), (642, 126977), (779, 104646), (978, 83353), (1558, 52323), (2033, 40098), (2337, 34882), (3097, 26322), (4066, 20049), (4387, 18582), (4674, 17441), (6099, 13366), (6194, 13161), (6683, 12198), (8774, 9291)]