71741072

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{344909}}^1$

素因数の和:344930

約数の個数: 20

約数和(自身を含む): 149690940

約数和(自身を除く): 77949868

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 344909, 689818, 1379636, 2759272, 4483817, 5518544, 8967634, 17935268, 35870536, 71741072]

約数ペア:

[(1, 71741072), (2, 35870536), (4, 17935268), (8, 8967634), (13, 5518544), (16, 4483817), (26, 2759272), (52, 1379636), (104, 689818), (208, 344909)]