81402112

素因数分解:

$2^8\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{211}}^1$

素因数の和:375

約数の個数: 72

約数和(自身を含む): 179397792

約数和(自身を除く): 97995680

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 88, 128, 137, 176, 211, 256, 274, 352, 422, 548, 704, 844, 1096, 1408, 1507, 1688, 2192, 2321, 2816, 3014, 3376, 4384, 4642, 6028, 6752, 8768, 9284, 12056, 13504, 17536, 18568, 24112, 27008, 28907, 35072, 37136, 48224, 54016, 57814, 74272, 96448, 115628, 148544, 192896, 231256, 297088, 317977, 385792, 462512, 594176, 635954, 925024, 1271908, 1850048, 2543816, 3700096, 5087632, 7400192, 10175264, 20350528, 40701056, 81402112]

約数ペア:

[(1, 81402112), (2, 40701056), (4, 20350528), (8, 10175264), (11, 7400192), (16, 5087632), (22, 3700096), (32, 2543816), (44, 1850048), (64, 1271908), (88, 925024), (128, 635954), (137, 594176), (176, 462512), (211, 385792), (256, 317977), (274, 297088), (352, 231256), (422, 192896), (548, 148544), (704, 115628), (844, 96448), (1096, 74272), (1408, 57814), (1507, 54016), (1688, 48224), (2192, 37136), (2321, 35072), (2816, 28907), (3014, 27008), (3376, 24112), (4384, 18568), (4642, 17536), (6028, 13504), (6752, 12056), (8768, 9284)]