12555865

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{239}}^1$

素因数の和:349

約数の個数: 32

約数和(自身を含む): 18432000

約数和(自身を除く): 5876135

約数列:

[1, 5, 7, 19, 35, 79, 95, 133, 239, 395, 553, 665, 1195, 1501, 1673, 2765, 4541, 7505, 8365, 10507, 18881, 22705, 31787, 52535, 94405, 132167, 158935, 358739, 660835, 1793695, 2511173, 12555865]

約数ペア:

[(1, 12555865), (5, 2511173), (7, 1793695), (19, 660835), (35, 358739), (79, 158935), (95, 132167), (133, 94405), (239, 52535), (395, 31787), (553, 22705), (665, 18881), (1195, 10507), (1501, 8365), (1673, 7505), (2765, 4541)]