71490704

素因数分解:

$2^4\times {\mathrm{331}}^1\times {\mathrm{13499}}^1$

素因数の和:13838

約数の個数: 20

約数和(自身を含む): 138942000

約数和(自身を除く): 67451296

約数列:

[1, 2, 4, 8, 16, 331, 662, 1324, 2648, 5296, 13499, 26998, 53996, 107992, 215984, 4468169, 8936338, 17872676, 35745352, 71490704]

約数ペア:

[(1, 71490704), (2, 35745352), (4, 17872676), (8, 8936338), (16, 4468169), (331, 215984), (662, 107992), (1324, 53996), (2648, 26998), (5296, 13499)]