25880508

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{241}}^1$

素因数の和:427

約数の個数: 72

約数和(自身を含む): 69589520

約数和(自身を除く): 43709012

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 114, 157, 171, 228, 241, 314, 342, 471, 482, 628, 684, 723, 942, 964, 1413, 1446, 1884, 2169, 2826, 2892, 2983, 4338, 4579, 5652, 5966, 8676, 8949, 9158, 11932, 13737, 17898, 18316, 26847, 27474, 35796, 37837, 41211, 53694, 54948, 75674, 82422, 107388, 113511, 151348, 164844, 227022, 340533, 454044, 681066, 718903, 1362132, 1437806, 2156709, 2875612, 4313418, 6470127, 8626836, 12940254, 25880508]

約数ペア:

[(1, 25880508), (2, 12940254), (3, 8626836), (4, 6470127), (6, 4313418), (9, 2875612), (12, 2156709), (18, 1437806), (19, 1362132), (36, 718903), (38, 681066), (57, 454044), (76, 340533), (114, 227022), (157, 164844), (171, 151348), (228, 113511), (241, 107388), (314, 82422), (342, 75674), (471, 54948), (482, 53694), (628, 41211), (684, 37837), (723, 35796), (942, 27474), (964, 26847), (1413, 18316), (1446, 17898), (1884, 13737), (2169, 11932), (2826, 9158), (2892, 8949), (2983, 8676), (4338, 5966), (4579, 5652)]