38729990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{1973}}^1$

素因数の和:2144

約数の個数: 32

約数和(自身を含む): 75612096

約数和(自身を除く): 36882106

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 151, 302, 755, 1510, 1963, 1973, 3926, 3946, 9815, 9865, 19630, 19730, 25649, 51298, 128245, 256490, 297923, 595846, 1489615, 2979230, 3872999, 7745998, 19364995, 38729990]

約数ペア:

[(1, 38729990), (2, 19364995), (5, 7745998), (10, 3872999), (13, 2979230), (26, 1489615), (65, 595846), (130, 297923), (151, 256490), (302, 128245), (755, 51298), (1510, 25649), (1963, 19730), (1973, 19630), (3926, 9865), (3946, 9815)]