81450044

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{7951}}^1$

素因数の和:8165

約数の個数: 24

約数和(自身を含む): 154300608

約数和(自身を除く): 72850564

約数列:

[1, 2, 4, 13, 26, 52, 197, 394, 788, 2561, 5122, 7951, 10244, 15902, 31804, 103363, 206726, 413452, 1566347, 3132694, 6265388, 20362511, 40725022, 81450044]

約数ペア:

[(1, 81450044), (2, 40725022), (4, 20362511), (13, 6265388), (26, 3132694), (52, 1566347), (197, 413452), (394, 206726), (788, 103363), (2561, 31804), (5122, 15902), (7951, 10244)]