251012528

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{1206791}}^1$

素因数の和:1206812

約数の個数: 20

約数和(自身を含む): 523747728

約数和(自身を除く): 272735200

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 1206791, 2413582, 4827164, 9654328, 15688283, 19308656, 31376566, 62753132, 125506264, 251012528]

約数ペア:

[(1, 251012528), (2, 125506264), (4, 62753132), (8, 31376566), (13, 19308656), (16, 15688283), (26, 9654328), (52, 4827164), (104, 2413582), (208, 1206791)]