258158212

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{28697}}^1$

素因数の和:28887

約数の個数: 24

約数和(自身を含む): 489358296

約数和(自身を除く): 231200084

約数列:

[1, 2, 4, 13, 26, 52, 173, 346, 692, 2249, 4498, 8996, 28697, 57394, 114788, 373061, 746122, 1492244, 4964581, 9929162, 19858324, 64539553, 129079106, 258158212]

約数ペア:

[(1, 258158212), (2, 129079106), (4, 64539553), (13, 19858324), (26, 9929162), (52, 4964581), (173, 1492244), (346, 746122), (692, 373061), (2249, 114788), (4498, 57394), (8996, 28697)]