213257590

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{8081}}^1$

素因数の和:8137

約数の個数: 64

約数和(自身を含む): 488799360

約数和(自身を除く): 275541770

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 29, 35, 58, 65, 70, 91, 130, 145, 182, 203, 290, 377, 406, 455, 754, 910, 1015, 1885, 2030, 2639, 3770, 5278, 8081, 13195, 16162, 26390, 40405, 56567, 80810, 105053, 113134, 210106, 234349, 282835, 468698, 525265, 565670, 735371, 1050530, 1171745, 1470742, 1640443, 2343490, 3046537, 3280886, 3676855, 6093074, 7353710, 8202215, 15232685, 16404430, 21325759, 30465370, 42651518, 106628795, 213257590]

約数ペア:

[(1, 213257590), (2, 106628795), (5, 42651518), (7, 30465370), (10, 21325759), (13, 16404430), (14, 15232685), (26, 8202215), (29, 7353710), (35, 6093074), (58, 3676855), (65, 3280886), (70, 3046537), (91, 2343490), (130, 1640443), (145, 1470742), (182, 1171745), (203, 1050530), (290, 735371), (377, 565670), (406, 525265), (455, 468698), (754, 282835), (910, 234349), (1015, 210106), (1885, 113134), (2030, 105053), (2639, 80810), (3770, 56567), (5278, 40405), (8081, 26390), (13195, 16162)]