128121488

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{10253}}^1$

素因数の和:10343

約数の個数: 40

約数和(自身を含む): 274643136

約数和(自身を除く): 146521648

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 71, 88, 142, 176, 284, 568, 781, 1136, 1562, 3124, 6248, 10253, 12496, 20506, 41012, 82024, 112783, 164048, 225566, 451132, 727963, 902264, 1455926, 1804528, 2911852, 5823704, 8007593, 11647408, 16015186, 32030372, 64060744, 128121488]

約数ペア:

[(1, 128121488), (2, 64060744), (4, 32030372), (8, 16015186), (11, 11647408), (16, 8007593), (22, 5823704), (44, 2911852), (71, 1804528), (88, 1455926), (142, 902264), (176, 727963), (284, 451132), (568, 225566), (781, 164048), (1136, 112783), (1562, 82024), (3124, 41012), (6248, 20506), (10253, 12496)]