261690618

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{151969}}^1$

素因数の和:152022

約数の個数: 32

約数和(自身を含む): 612743040

約数和(自身を除く): 351052422

約数列:

[1, 2, 3, 6, 7, 14, 21, 41, 42, 82, 123, 246, 287, 574, 861, 1722, 151969, 303938, 455907, 911814, 1063783, 2127566, 3191349, 6230729, 6382698, 12461458, 18692187, 37384374, 43615103, 87230206, 130845309, 261690618]

約数ペア:

[(1, 261690618), (2, 130845309), (3, 87230206), (6, 43615103), (7, 37384374), (14, 18692187), (21, 12461458), (41, 6382698), (42, 6230729), (82, 3191349), (123, 2127566), (246, 1063783), (287, 911814), (574, 455907), (861, 303938), (1722, 151969)]