664985541

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{20011}}^1$

素因数の和:20097

約数の個数: 32

約数和(自身を含む): 1037422080

約数和(自身を除く): 372436539

約数列:

[1, 3, 11, 19, 33, 53, 57, 159, 209, 583, 627, 1007, 1749, 3021, 11077, 20011, 33231, 60033, 220121, 380209, 660363, 1060583, 1140627, 3181749, 4182299, 11666413, 12546897, 20151077, 34999239, 60453231, 221661847, 664985541]

約数ペア:

[(1, 664985541), (3, 221661847), (11, 60453231), (19, 34999239), (33, 20151077), (53, 12546897), (57, 11666413), (159, 4182299), (209, 3181749), (583, 1140627), (627, 1060583), (1007, 660363), (1749, 380209), (3021, 220121), (11077, 60033), (20011, 33231)]