254640984

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{816157}}^1$

素因数の和:816179

約数の個数: 32

約数和(自身を含む): 685572720

約数和(自身を除く): 430931736

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 816157, 1632314, 2448471, 3264628, 4896942, 6529256, 9793884, 10610041, 19587768, 21220082, 31830123, 42440164, 63660246, 84880328, 127320492, 254640984]

約数ペア:

[(1, 254640984), (2, 127320492), (3, 84880328), (4, 63660246), (6, 42440164), (8, 31830123), (12, 21220082), (13, 19587768), (24, 10610041), (26, 9793884), (39, 6529256), (52, 4896942), (78, 3264628), (104, 2448471), (156, 1632314), (312, 816157)]