128941392

素因数分解:

$2^4\times 3^1\times {\mathrm{41}}^1\times {\mathrm{65519}}^1$

素因数の和:65571

約数の個数: 40

約数和(自身を含む): 341228160

約数和(自身を除く): 212286768

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 41, 48, 82, 123, 164, 246, 328, 492, 656, 984, 1968, 65519, 131038, 196557, 262076, 393114, 524152, 786228, 1048304, 1572456, 2686279, 3144912, 5372558, 8058837, 10745116, 16117674, 21490232, 32235348, 42980464, 64470696, 128941392]

約数ペア:

[(1, 128941392), (2, 64470696), (3, 42980464), (4, 32235348), (6, 21490232), (8, 16117674), (12, 10745116), (16, 8058837), (24, 5372558), (41, 3144912), (48, 2686279), (82, 1572456), (123, 1048304), (164, 786228), (246, 524152), (328, 393114), (492, 262076), (656, 196557), (984, 131038), (1968, 65519)]