1280454828

素因数分解:

$2^2\times 3^1\times {\mathrm{109}}^1\times {\mathrm{661}}^1\times {\mathrm{1481}}^1$

素因数の和:2258

約数の個数: 48

約数和(自身を含む): 3021738720

約数和(自身を除く): 1741283892

約数列:

[1, 2, 3, 4, 6, 12, 109, 218, 327, 436, 654, 661, 1308, 1322, 1481, 1983, 2644, 2962, 3966, 4443, 5924, 7932, 8886, 17772, 72049, 144098, 161429, 216147, 288196, 322858, 432294, 484287, 645716, 864588, 968574, 978941, 1937148, 1957882, 2936823, 3915764, 5873646, 11747292, 106704569, 213409138, 320113707, 426818276, 640227414, 1280454828]

約数ペア:

[(1, 1280454828), (2, 640227414), (3, 426818276), (4, 320113707), (6, 213409138), (12, 106704569), (109, 11747292), (218, 5873646), (327, 3915764), (436, 2936823), (654, 1957882), (661, 1937148), (1308, 978941), (1322, 968574), (1481, 864588), (1983, 645716), (2644, 484287), (2962, 432294), (3966, 322858), (4443, 288196), (5924, 216147), (7932, 161429), (8886, 144098), (17772, 72049)]