1780989119

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{557}}^1\times {\mathrm{857}}^1$

素因数の和:1475

約数の個数: 32

約数和(自身を含む): 2252105856

約数和(自身を除く): 471116737

約数列:

[1, 7, 13, 41, 91, 287, 533, 557, 857, 3731, 3899, 5999, 7241, 11141, 22837, 35137, 50687, 77987, 159859, 245959, 296881, 456781, 477349, 2078167, 3197467, 3341443, 6205537, 19571309, 43438759, 136999163, 254427017, 1780989119]

約数ペア:

[(1, 1780989119), (7, 254427017), (13, 136999163), (41, 43438759), (91, 19571309), (287, 6205537), (533, 3341443), (557, 3197467), (857, 2078167), (3731, 477349), (3899, 456781), (5999, 296881), (7241, 245959), (11141, 159859), (22837, 77987), (35137, 50687)]