64893997

素因数分解:

$7^1\times {\mathrm{79}}^1\times {\mathrm{239}}^1\times {\mathrm{491}}^1$

素因数の和:816

約数の個数: 16

約数和(自身を含む): 75571200

約数和(自身を除く): 10677203

約数列:

[1, 7, 79, 239, 491, 553, 1673, 3437, 18881, 38789, 117349, 132167, 271523, 821443, 9270571, 64893997]

約数ペア:

[(1, 64893997), (7, 9270571), (79, 821443), (239, 271523), (491, 132167), (553, 117349), (1673, 38789), (3437, 18881)]