2001028144

素因数分解:

$2^4\times {\mathrm{53}}^1\times {\mathrm{131}}^1\times {\mathrm{18013}}^1$

素因数の和:18205

約数の個数: 40

約数和(自身を含む): 3980517552

約数和(自身を除く): 1979489408

約数列:

[1, 2, 4, 8, 16, 53, 106, 131, 212, 262, 424, 524, 848, 1048, 2096, 6943, 13886, 18013, 27772, 36026, 55544, 72052, 111088, 144104, 288208, 954689, 1909378, 2359703, 3818756, 4719406, 7637512, 9438812, 15275024, 18877624, 37755248, 125064259, 250128518, 500257036, 1000514072, 2001028144]

約数ペア:

[(1, 2001028144), (2, 1000514072), (4, 500257036), (8, 250128518), (16, 125064259), (53, 37755248), (106, 18877624), (131, 15275024), (212, 9438812), (262, 7637512), (424, 4719406), (524, 3818756), (848, 2359703), (1048, 1909378), (2096, 954689), (6943, 288208), (13886, 144104), (18013, 111088), (27772, 72052), (36026, 55544)]