1640383886

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{167}}^1\times {\mathrm{258491}}^1$

素因数の和:258679

約数の個数: 16

約数和(自身を含む): 2605599360

約数和(自身を除く): 965215474

約数列:

[1, 2, 19, 38, 167, 334, 3173, 6346, 258491, 516982, 4911329, 9822658, 43167997, 86335994, 820191943, 1640383886]

約数ペア:

[(1, 1640383886), (2, 820191943), (19, 86335994), (38, 43167997), (167, 9822658), (334, 4911329), (3173, 516982), (6346, 258491)]