156963065

素因数分解:

$5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{1987}}^1$

素因数の和:2097

約数の個数: 32

約数和(自身を含む): 224818944

約数和(自身を除く): 67855879

約数列:

[1, 5, 7, 35, 37, 61, 185, 259, 305, 427, 1295, 1987, 2135, 2257, 9935, 11285, 13909, 15799, 69545, 73519, 78995, 121207, 367595, 514633, 606035, 848449, 2573165, 4242245, 4484659, 22423295, 31392613, 156963065]

約数ペア:

[(1, 156963065), (5, 31392613), (7, 22423295), (35, 4484659), (37, 4242245), (61, 2573165), (185, 848449), (259, 606035), (305, 514633), (427, 367595), (1295, 121207), (1987, 78995), (2135, 73519), (2257, 69545), (9935, 15799), (11285, 13909)]