390097974

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{1997}}^1\times {\mathrm{4651}}^1$

素因数の和:6660

約数の個数: 32

約数和(自身を含む): 892290816

約数和(自身を除く): 502192842

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 1997, 3994, 4651, 5991, 9302, 11982, 13953, 13979, 27906, 27958, 32557, 41937, 65114, 83874, 97671, 195342, 9288047, 18576094, 27864141, 55728282, 65016329, 130032658, 195048987, 390097974]

約数ペア:

[(1, 390097974), (2, 195048987), (3, 130032658), (6, 65016329), (7, 55728282), (14, 27864141), (21, 18576094), (42, 9288047), (1997, 195342), (3994, 97671), (4651, 83874), (5991, 65114), (9302, 41937), (11982, 32557), (13953, 27958), (13979, 27906)]