249949218

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{661}}^1$

素因数の和:823

約数の個数: 64

約数和(自身を含む): 549089280

約数和(自身を除く): 299140062

約数列:

[1, 2, 3, 6, 19, 31, 38, 57, 62, 93, 107, 114, 186, 214, 321, 589, 642, 661, 1178, 1322, 1767, 1983, 2033, 3317, 3534, 3966, 4066, 6099, 6634, 9951, 12198, 12559, 19902, 20491, 25118, 37677, 40982, 61473, 63023, 70727, 75354, 122946, 126046, 141454, 189069, 212181, 378138, 389329, 424362, 778658, 1167987, 1343813, 2192537, 2335974, 2687626, 4031439, 4385074, 6577611, 8062878, 13155222, 41658203, 83316406, 124974609, 249949218]

約数ペア:

[(1, 249949218), (2, 124974609), (3, 83316406), (6, 41658203), (19, 13155222), (31, 8062878), (38, 6577611), (57, 4385074), (62, 4031439), (93, 2687626), (107, 2335974), (114, 2192537), (186, 1343813), (214, 1167987), (321, 778658), (589, 424362), (642, 389329), (661, 378138), (1178, 212181), (1322, 189069), (1767, 141454), (1983, 126046), (2033, 122946), (3317, 75354), (3534, 70727), (3966, 63023), (4066, 61473), (6099, 40982), (6634, 37677), (9951, 25118), (12198, 20491), (12559, 19902)]