644026370

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{4954049}}^1$

素因数の和:4954069

約数の個数: 16

約数和(自身を含む): 1248420600

約数和(自身を除く): 604394230

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 4954049, 9908098, 24770245, 49540490, 64402637, 128805274, 322013185, 644026370]

約数ペア:

[(1, 644026370), (2, 322013185), (5, 128805274), (10, 64402637), (13, 49540490), (26, 24770245), (65, 9908098), (130, 4954049)]