2045491376

素因数分解:

$2^4\times {\mathrm{401}}^1\times {\mathrm{318811}}^1$

素因数の和:319220

約数の個数: 20

約数和(自身を含む): 3973035144

約数和(自身を除く): 1927543768

約数列:

[1, 2, 4, 8, 16, 401, 802, 1604, 3208, 6416, 318811, 637622, 1275244, 2550488, 5100976, 127843211, 255686422, 511372844, 1022745688, 2045491376]

約数ペア:

[(1, 2045491376), (2, 1022745688), (4, 511372844), (8, 255686422), (16, 127843211), (401, 5100976), (802, 2550488), (1604, 1275244), (3208, 637622), (6416, 318811)]