257295872

素因数分解:

$2^9\times {\mathrm{19}}^1\times {\mathrm{26449}}^1$

素因数の和:26486

約数の個数: 40

約数和(自身を含む): 541167000

約数和(自身を除く): 283871128

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 128, 152, 256, 304, 512, 608, 1216, 2432, 4864, 9728, 26449, 52898, 105796, 211592, 423184, 502531, 846368, 1005062, 1692736, 2010124, 3385472, 4020248, 6770944, 8040496, 13541888, 16080992, 32161984, 64323968, 128647936, 257295872]

約数ペア:

[(1, 257295872), (2, 128647936), (4, 64323968), (8, 32161984), (16, 16080992), (19, 13541888), (32, 8040496), (38, 6770944), (64, 4020248), (76, 3385472), (128, 2010124), (152, 1692736), (256, 1005062), (304, 846368), (512, 502531), (608, 423184), (1216, 211592), (2432, 105796), (4864, 52898), (9728, 26449)]