1987260394

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{106487}}^1$

素因数の和:106570

約数の個数: 32

約数和(自身を含む): 3598442496

約数和(自身を除く): 1611182102

約数列:

[1, 2, 7, 14, 31, 43, 62, 86, 217, 301, 434, 602, 1333, 2666, 9331, 18662, 106487, 212974, 745409, 1490818, 3301097, 4578941, 6602194, 9157882, 23107679, 32052587, 46215358, 64105174, 141947171, 283894342, 993630197, 1987260394]

約数ペア:

[(1, 1987260394), (2, 993630197), (7, 283894342), (14, 141947171), (31, 64105174), (43, 46215358), (62, 32052587), (86, 23107679), (217, 9157882), (301, 6602194), (434, 4578941), (602, 3301097), (1333, 1490818), (2666, 745409), (9331, 212974), (18662, 106487)]