199876428

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{2731}}^1$

素因数の和:2867

約数の個数: 72

約数和(自身を含む): 537001920

約数和(自身を除く): 337125492

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 107, 114, 171, 214, 228, 321, 342, 428, 642, 684, 963, 1284, 1926, 2033, 2731, 3852, 4066, 5462, 6099, 8132, 8193, 10924, 12198, 16386, 18297, 24396, 24579, 32772, 36594, 49158, 51889, 73188, 98316, 103778, 155667, 207556, 292217, 311334, 467001, 584434, 622668, 876651, 934002, 1168868, 1753302, 1868004, 2629953, 3506604, 5259906, 5552123, 10519812, 11104246, 16656369, 22208492, 33312738, 49969107, 66625476, 99938214, 199876428]

約数ペア:

[(1, 199876428), (2, 99938214), (3, 66625476), (4, 49969107), (6, 33312738), (9, 22208492), (12, 16656369), (18, 11104246), (19, 10519812), (36, 5552123), (38, 5259906), (57, 3506604), (76, 2629953), (107, 1868004), (114, 1753302), (171, 1168868), (214, 934002), (228, 876651), (321, 622668), (342, 584434), (428, 467001), (642, 311334), (684, 292217), (963, 207556), (1284, 155667), (1926, 103778), (2033, 98316), (2731, 73188), (3852, 51889), (4066, 49158), (5462, 36594), (6099, 32772), (8132, 24579), (8193, 24396), (10924, 18297), (12198, 16386)]