64218454

素因数分解:

$2^1\times {\mathrm{197}}^1\times {\mathrm{389}}^1\times {\mathrm{419}}^1$

素因数の和:1007

約数の個数: 16

約数和(自身を含む): 97297200

約数和(自身を除く): 33078746

約数列:

[1, 2, 197, 389, 394, 419, 778, 838, 76633, 82543, 153266, 162991, 165086, 325982, 32109227, 64218454]

約数ペア:

[(1, 64218454), (2, 32109227), (197, 325982), (389, 165086), (394, 162991), (419, 153266), (778, 82543), (838, 76633)]