128045368

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{16349}}^1$

素因数の和:16455

約数の個数: 32

約数和(自身を含む): 264870000

約数和(自身を除く): 136824632

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 89, 178, 356, 712, 979, 1958, 3916, 7832, 16349, 32698, 65396, 130792, 179839, 359678, 719356, 1438712, 1455061, 2910122, 5820244, 11640488, 16005671, 32011342, 64022684, 128045368]

約数ペア:

[(1, 128045368), (2, 64022684), (4, 32011342), (8, 16005671), (11, 11640488), (22, 5820244), (44, 2910122), (88, 1455061), (89, 1438712), (178, 719356), (356, 359678), (712, 179839), (979, 130792), (1958, 65396), (3916, 32698), (7832, 16349)]