261290306

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{347}}^1\times {\mathrm{22147}}^1$

素因数の和:22513

約数の個数: 16

約数和(自身を含む): 416205216

約数和(自身を除く): 154914910

約数列:

[1, 2, 17, 34, 347, 694, 5899, 11798, 22147, 44294, 376499, 752998, 7685009, 15370018, 130645153, 261290306]

約数ペア:

[(1, 261290306), (2, 130645153), (17, 15370018), (34, 7685009), (347, 752998), (694, 376499), (5899, 44294), (11798, 22147)]