281030128

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{33329}}^1$

素因数の和:33385

約数の個数: 40

約数和(自身を含む): 595140480

約数和(自身を除く): 314110352

約数列:

[1, 2, 4, 8, 16, 17, 31, 34, 62, 68, 124, 136, 248, 272, 496, 527, 1054, 2108, 4216, 8432, 33329, 66658, 133316, 266632, 533264, 566593, 1033199, 1133186, 2066398, 2266372, 4132796, 4532744, 8265592, 9065488, 16531184, 17564383, 35128766, 70257532, 140515064, 281030128]

約数ペア:

[(1, 281030128), (2, 140515064), (4, 70257532), (8, 35128766), (16, 17564383), (17, 16531184), (31, 9065488), (34, 8265592), (62, 4532744), (68, 4132796), (124, 2266372), (136, 2066398), (248, 1133186), (272, 1033199), (496, 566593), (527, 533264), (1054, 266632), (2108, 133316), (4216, 66658), (8432, 33329)]