2013904081

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{4363}}^1$

素因数の和:4501

約数の個数: 32

約数和(自身を含む): 2493554688

約数和(自身を除く): 479650607

約数列:

[1, 7, 23, 47, 61, 161, 329, 427, 1081, 1403, 2867, 4363, 7567, 9821, 20069, 30541, 65941, 100349, 205061, 266143, 461587, 702443, 1435427, 1863001, 4716403, 6121289, 12508721, 33014821, 42849023, 87561047, 287700583, 2013904081]

約数ペア:

[(1, 2013904081), (7, 287700583), (23, 87561047), (47, 42849023), (61, 33014821), (161, 12508721), (329, 6121289), (427, 4716403), (1081, 1863001), (1403, 1435427), (2867, 702443), (4363, 461587), (7567, 266143), (9821, 205061), (20069, 100349), (30541, 65941)]