280838086

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{97}}^1\times {\mathrm{20389}}^1$

素因数の和:20559

約数の個数: 16

約数和(自身を含む): 431615520

約数和(自身を除く): 150777434

約数列:

[1, 2, 71, 97, 142, 194, 6887, 13774, 20389, 40778, 1447619, 1977733, 2895238, 3955466, 140419043, 280838086]

約数ペア:

[(1, 280838086), (2, 140419043), (71, 3955466), (97, 2895238), (142, 1977733), (194, 1447619), (6887, 40778), (13774, 20389)]