1286943982

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{521}}^1\times {\mathrm{39841}}^1$

素因数の和:40395

約数の個数: 16

約数和(自身を含む): 1996562304

約数和(自身を除く): 709618322

約数列:

[1, 2, 31, 62, 521, 1042, 16151, 32302, 39841, 79682, 1235071, 2470142, 20757161, 41514322, 643471991, 1286943982]

約数ペア:

[(1, 1286943982), (2, 643471991), (31, 41514322), (62, 20757161), (521, 2470142), (1042, 1235071), (16151, 79682), (32302, 39841)]