257201664

素因数分解:

$2^9\times 3^1\times {\mathrm{167449}}^1$

素因数の和:167470

約数の個数: 40

約数和(自身を含む): 685205400

約数和(自身を除く): 428003736

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 192, 256, 384, 512, 768, 1536, 167449, 334898, 502347, 669796, 1004694, 1339592, 2009388, 2679184, 4018776, 5358368, 8037552, 10716736, 16075104, 21433472, 32150208, 42866944, 64300416, 85733888, 128600832, 257201664]

約数ペア:

[(1, 257201664), (2, 128600832), (3, 85733888), (4, 64300416), (6, 42866944), (8, 32150208), (12, 21433472), (16, 16075104), (24, 10716736), (32, 8037552), (48, 5358368), (64, 4018776), (96, 2679184), (128, 2009388), (192, 1339592), (256, 1004694), (384, 669796), (512, 502347), (768, 334898), (1536, 167449)]