258916144

素因数分解:

$2^4\times {\mathrm{331}}^1\times {\mathrm{48889}}^1$

素因数の和:49228

約数の個数: 20

約数和(自身を含む): 503175880

約数和(自身を除く): 244259736

約数列:

[1, 2, 4, 8, 16, 331, 662, 1324, 2648, 5296, 48889, 97778, 195556, 391112, 782224, 16182259, 32364518, 64729036, 129458072, 258916144]

約数ペア:

[(1, 258916144), (2, 129458072), (4, 64729036), (8, 32364518), (16, 16182259), (331, 782224), (662, 391112), (1324, 195556), (2648, 97778), (5296, 48889)]