30131478

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{128767}}^1$

素因数の和:128788

約数の個数: 24

約数和(自身を含む): 70307328

約数和(自身を除く): 40175850

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 234, 128767, 257534, 386301, 772602, 1158903, 1673971, 2317806, 3347942, 5021913, 10043826, 15065739, 30131478]

約数ペア:

[(1, 30131478), (2, 15065739), (3, 10043826), (6, 5021913), (9, 3347942), (13, 2317806), (18, 1673971), (26, 1158903), (39, 772602), (78, 386301), (117, 257534), (234, 128767)]