291247398

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{1244647}}^1$

素因数の和:1244668

約数の個数: 24

約数和(自身を含む): 679577808

約数和(自身を除く): 388330410

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 234, 1244647, 2489294, 3733941, 7467882, 11201823, 16180411, 22403646, 32360822, 48541233, 97082466, 145623699, 291247398]

約数ペア:

[(1, 291247398), (2, 145623699), (3, 97082466), (6, 48541233), (9, 32360822), (13, 22403646), (18, 16180411), (26, 11201823), (39, 7467882), (78, 3733941), (117, 2489294), (234, 1244647)]