438967490

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{116437}}^1$

素因数の和:116486

約数の個数: 32

約数和(自身を含む): 880271280

約数和(自身を除く): 441303790

約数列:

[1, 2, 5, 10, 13, 26, 29, 58, 65, 130, 145, 290, 377, 754, 1885, 3770, 116437, 232874, 582185, 1164370, 1513681, 3027362, 3376673, 6753346, 7568405, 15136810, 16883365, 33766730, 43896749, 87793498, 219483745, 438967490]

約数ペア:

[(1, 438967490), (2, 219483745), (5, 87793498), (10, 43896749), (13, 33766730), (26, 16883365), (29, 15136810), (58, 7568405), (65, 6753346), (130, 3376673), (145, 3027362), (290, 1513681), (377, 1164370), (754, 582185), (1885, 232874), (3770, 116437)]