890453954

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{646193}}^1$

素因数の和:646261

約数の個数: 16

約数和(自身を含む): 1465567992

約数和(自身を除く): 575114038

約数列:

[1, 2, 13, 26, 53, 106, 689, 1378, 646193, 1292386, 8400509, 16801018, 34248229, 68496458, 445226977, 890453954]

約数ペア:

[(1, 890453954), (2, 445226977), (13, 68496458), (26, 34248229), (53, 16801018), (106, 8400509), (689, 1292386), (1378, 646193)]