207973504

素因数分解:

$2^7\times {\mathrm{79}}^1\times {\mathrm{131}}^1\times {\mathrm{157}}^1$

素因数の和:381

約数の個数: 64

約数和(自身を含む): 425462400

約数和(自身を除く): 217488896

約数列:

[1, 2, 4, 8, 16, 32, 64, 79, 128, 131, 157, 158, 262, 314, 316, 524, 628, 632, 1048, 1256, 1264, 2096, 2512, 2528, 4192, 5024, 5056, 8384, 10048, 10112, 10349, 12403, 16768, 20096, 20567, 20698, 24806, 41134, 41396, 49612, 82268, 82792, 99224, 164536, 165584, 198448, 329072, 331168, 396896, 658144, 662336, 793792, 1316288, 1324672, 1587584, 1624793, 2632576, 3249586, 6499172, 12998344, 25996688, 51993376, 103986752, 207973504]

約数ペア:

[(1, 207973504), (2, 103986752), (4, 51993376), (8, 25996688), (16, 12998344), (32, 6499172), (64, 3249586), (79, 2632576), (128, 1624793), (131, 1587584), (157, 1324672), (158, 1316288), (262, 793792), (314, 662336), (316, 658144), (524, 396896), (628, 331168), (632, 329072), (1048, 198448), (1256, 165584), (1264, 164536), (2096, 99224), (2512, 82792), (2528, 82268), (4192, 49612), (5024, 41396), (5056, 41134), (8384, 24806), (10048, 20698), (10112, 20567), (10349, 20096), (12403, 16768)]