72229456

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{347257}}^1$

素因数の和:347278

約数の個数: 20

約数和(自身を含む): 150709972

約数和(自身を除く): 78480516

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 347257, 694514, 1389028, 2778056, 4514341, 5556112, 9028682, 18057364, 36114728, 72229456]

約数ペア:

[(1, 72229456), (2, 36114728), (4, 18057364), (8, 9028682), (13, 5556112), (16, 4514341), (26, 2778056), (52, 1389028), (104, 694514), (208, 347257)]