257900528

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{257}}^1\times {\mathrm{3301}}^1$

素因数の和:3585

約数の個数: 40

約数和(自身を含む): 528187920

約数和(自身を除く): 270287392

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 257, 304, 514, 1028, 2056, 3301, 4112, 4883, 6602, 9766, 13204, 19532, 26408, 39064, 52816, 62719, 78128, 125438, 250876, 501752, 848357, 1003504, 1696714, 3393428, 6786856, 13573712, 16118783, 32237566, 64475132, 128950264, 257900528]

約数ペア:

[(1, 257900528), (2, 128950264), (4, 64475132), (8, 32237566), (16, 16118783), (19, 13573712), (38, 6786856), (76, 3393428), (152, 1696714), (257, 1003504), (304, 848357), (514, 501752), (1028, 250876), (2056, 125438), (3301, 78128), (4112, 62719), (4883, 52816), (6602, 39064), (9766, 26408), (13204, 19532)]