1998126361

素因数分解:

$7^2\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{11621}}^1$

素因数の和:11686

約数の個数: 36

約数和(自身を含む): 2643191460

約数和(自身を除く): 645065099

約数列:

[1, 7, 11, 29, 49, 77, 121, 203, 319, 539, 847, 1421, 2233, 3509, 5929, 11621, 15631, 24563, 81347, 127831, 171941, 337009, 569429, 894817, 1406141, 2359063, 3707099, 6263719, 9842987, 16513441, 25949693, 40778089, 68900909, 181647851, 285446623, 1998126361]

約数ペア:

[(1, 1998126361), (7, 285446623), (11, 181647851), (29, 68900909), (49, 40778089), (77, 25949693), (121, 16513441), (203, 9842987), (319, 6263719), (539, 3707099), (847, 2359063), (1421, 1406141), (2233, 894817), (3509, 569429), (5929, 337009), (11621, 171941), (15631, 127831), (24563, 81347)]