66218348368

素因数分解:

$2^4\times {\mathrm{163}}^1\times {\mathrm{25390471}}^1$

素因数の和:25390642

約数の個数: 20

約数和(自身を含む): 129085159648

約数和(自身を除く): 62866811280

約数列:

[1, 2, 4, 8, 16, 163, 326, 652, 1304, 2608, 25390471, 50780942, 101561884, 203123768, 406247536, 4138646773, 8277293546, 16554587092, 33109174184, 66218348368]

約数ペア:

[(1, 66218348368), (2, 33109174184), (4, 16554587092), (8, 8277293546), (16, 4138646773), (163, 406247536), (326, 203123768), (652, 101561884), (1304, 50780942), (2608, 25390471)]