28839490

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{151}}^1\times {\mathrm{269}}^1$

素因数の和:498

約数の個数: 32

約数和(自身を含む): 53187840

約数和(自身を除く): 24348350

約数列:

[1, 2, 5, 10, 71, 142, 151, 269, 302, 355, 538, 710, 755, 1345, 1510, 2690, 10721, 19099, 21442, 38198, 40619, 53605, 81238, 95495, 107210, 190990, 203095, 406190, 2883949, 5767898, 14419745, 28839490]

約数ペア:

[(1, 28839490), (2, 14419745), (5, 5767898), (10, 2883949), (71, 406190), (142, 203095), (151, 190990), (269, 107210), (302, 95495), (355, 81238), (538, 53605), (710, 40619), (755, 38198), (1345, 21442), (1510, 19099), (2690, 10721)]