1284395216

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{263}}^1\times {\mathrm{443}}^1$

素因数の和:780

約数の個数: 80

約数和(自身を含む): 2747074176

約数和(自身を除く): 1462678960

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 53, 104, 106, 208, 212, 263, 424, 443, 526, 689, 848, 886, 1052, 1378, 1772, 2104, 2756, 3419, 3544, 4208, 5512, 5759, 6838, 7088, 11024, 11518, 13676, 13939, 23036, 23479, 27352, 27878, 46072, 46958, 54704, 55756, 92144, 93916, 111512, 116509, 181207, 187832, 223024, 233018, 305227, 362414, 375664, 466036, 610454, 724828, 932072, 1220908, 1449656, 1514617, 1864144, 2441816, 2899312, 3029234, 4883632, 6058468, 6174977, 12116936, 12349954, 24233872, 24699908, 49399816, 80274701, 98799632, 160549402, 321098804, 642197608, 1284395216]

約数ペア:

[(1, 1284395216), (2, 642197608), (4, 321098804), (8, 160549402), (13, 98799632), (16, 80274701), (26, 49399816), (52, 24699908), (53, 24233872), (104, 12349954), (106, 12116936), (208, 6174977), (212, 6058468), (263, 4883632), (424, 3029234), (443, 2899312), (526, 2441816), (689, 1864144), (848, 1514617), (886, 1449656), (1052, 1220908), (1378, 932072), (1772, 724828), (2104, 610454), (2756, 466036), (3419, 375664), (3544, 362414), (4208, 305227), (5512, 233018), (5759, 223024), (6838, 187832), (7088, 181207), (11024, 116509), (11518, 111512), (13676, 93916), (13939, 92144), (23036, 55756), (23479, 54704), (27352, 46958), (27878, 46072)]