638463612

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{947}}^1\times {\mathrm{2957}}^1$

素因数の和:3930

約数の個数: 48

約数和(自身を含む): 1570343040

約数和(自身を除く): 931879428

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 57, 76, 114, 228, 947, 1894, 2841, 2957, 3788, 5682, 5914, 8871, 11364, 11828, 17742, 17993, 35484, 35986, 53979, 56183, 71972, 107958, 112366, 168549, 215916, 224732, 337098, 674196, 2800279, 5600558, 8400837, 11201116, 16801674, 33603348, 53205301, 106410602, 159615903, 212821204, 319231806, 638463612]

約数ペア:

[(1, 638463612), (2, 319231806), (3, 212821204), (4, 159615903), (6, 106410602), (12, 53205301), (19, 33603348), (38, 16801674), (57, 11201116), (76, 8400837), (114, 5600558), (228, 2800279), (947, 674196), (1894, 337098), (2841, 224732), (2957, 215916), (3788, 168549), (5682, 112366), (5914, 107958), (8871, 71972), (11364, 56183), (11828, 53979), (17742, 35986), (17993, 35484)]