251013824

素因数分解:

$2^6\times {\mathrm{199}}^1\times {\mathrm{19709}}^1$

素因数の和:19920

約数の個数: 28

約数和(自身を含む): 500634000

約数和(自身を除く): 249620176

約数列:

[1, 2, 4, 8, 16, 32, 64, 199, 398, 796, 1592, 3184, 6368, 12736, 19709, 39418, 78836, 157672, 315344, 630688, 1261376, 3922091, 7844182, 15688364, 31376728, 62753456, 125506912, 251013824]

約数ペア:

[(1, 251013824), (2, 125506912), (4, 62753456), (8, 31376728), (16, 15688364), (32, 7844182), (64, 3922091), (199, 1261376), (398, 630688), (796, 315344), (1592, 157672), (3184, 78836), (6368, 39418), (12736, 19709)]