158557945

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{18341}}^1$

素因数の和:18385

約数の個数: 32

約数和(自身を含む): 246516480

約数和(自身を除く): 87958535

約数列:

[1, 5, 7, 13, 19, 35, 65, 91, 95, 133, 247, 455, 665, 1235, 1729, 8645, 18341, 91705, 128387, 238433, 348479, 641935, 1192165, 1669031, 1742395, 2439353, 4530227, 8345155, 12196765, 22651135, 31711589, 158557945]

約数ペア:

[(1, 158557945), (5, 31711589), (7, 22651135), (13, 12196765), (19, 8345155), (35, 4530227), (65, 2439353), (91, 1742395), (95, 1669031), (133, 1192165), (247, 641935), (455, 348479), (665, 238433), (1235, 128387), (1729, 91705), (8645, 18341)]