805395890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{6195353}}^1$

素因数の和:6195373

約数の個数: 16

約数和(自身を含む): 1561229208

約数和(自身を除く): 755833318

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 6195353, 12390706, 30976765, 61953530, 80539589, 161079178, 402697945, 805395890]

約数ペア:

[(1, 805395890), (2, 402697945), (5, 161079178), (10, 80539589), (13, 61953530), (26, 30976765), (65, 12390706), (130, 6195353)]