64892048

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{311981}}^1$

素因数の和:312002

約数の個数: 20

約数和(自身を含む): 135400188

約数和(自身を除く): 70508140

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 311981, 623962, 1247924, 2495848, 4055753, 4991696, 8111506, 16223012, 32446024, 64892048]

約数ペア:

[(1, 64892048), (2, 32446024), (4, 16223012), (8, 8111506), (13, 4991696), (16, 4055753), (26, 2495848), (52, 1247924), (104, 623962), (208, 311981)]