172872008

素因数分解:

$2^3\times {\mathrm{53}}^1\times {\mathrm{407717}}^1$

素因数の和:407776

約数の個数: 16

約数和(自身を含む): 330251580

約数和(自身を除く): 157379572

約数列:

[1, 2, 4, 8, 53, 106, 212, 424, 407717, 815434, 1630868, 3261736, 21609001, 43218002, 86436004, 172872008]

約数ペア:

[(1, 172872008), (2, 86436004), (4, 43218002), (8, 21609001), (53, 3261736), (106, 1630868), (212, 815434), (424, 407717)]