64178210

素因数分解:

$2^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{48991}}^1$

素因数の和:49129

約数の個数: 16

約数和(自身を含む): 116404992

約数和(自身を除く): 52226782

約数列:

[1, 2, 5, 10, 131, 262, 655, 1310, 48991, 97982, 244955, 489910, 6417821, 12835642, 32089105, 64178210]

約数ペア:

[(1, 64178210), (2, 32089105), (5, 12835642), (10, 6417821), (131, 489910), (262, 244955), (655, 97982), (1310, 48991)]