199420728

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{639169}}^1$

素因数の和:639191

約数の個数: 32

約数和(自身を含む): 536902800

約数和(自身を除く): 337482072

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 639169, 1278338, 1917507, 2556676, 3835014, 5113352, 7670028, 8309197, 15340056, 16618394, 24927591, 33236788, 49855182, 66473576, 99710364, 199420728]

約数ペア:

[(1, 199420728), (2, 99710364), (3, 66473576), (4, 49855182), (6, 33236788), (8, 24927591), (12, 16618394), (13, 15340056), (24, 8309197), (26, 7670028), (39, 5113352), (52, 3835014), (78, 2556676), (104, 1917507), (156, 1278338), (312, 639169)]