1397808052

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1\times {\mathrm{1399}}^1$

素因数の和:1640

約数の個数: 48

約数和(自身を含む): 2588924800

約数和(自身を除く): 1191116748

約数列:

[1, 2, 4, 37, 43, 74, 86, 148, 157, 172, 314, 628, 1399, 1591, 2798, 3182, 5596, 5809, 6364, 6751, 11618, 13502, 23236, 27004, 51763, 60157, 103526, 120314, 207052, 219643, 240628, 249787, 439286, 499574, 878572, 999148, 2225809, 4451618, 8126791, 8903236, 9444649, 16253582, 18889298, 32507164, 37778596, 349452013, 698904026, 1397808052]

約数ペア:

[(1, 1397808052), (2, 698904026), (4, 349452013), (37, 37778596), (43, 32507164), (74, 18889298), (86, 16253582), (148, 9444649), (157, 8903236), (172, 8126791), (314, 4451618), (628, 2225809), (1399, 999148), (1591, 878572), (2798, 499574), (3182, 439286), (5596, 249787), (5809, 240628), (6364, 219643), (6751, 207052), (11618, 120314), (13502, 103526), (23236, 60157), (27004, 51763)]