28713938

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{239}}^1$

素因数の和:422

約数の個数: 32

約数和(自身を含む): 48660480

約数和(自身を除く): 19946542

約数列:

[1, 2, 11, 22, 43, 86, 127, 239, 254, 473, 478, 946, 1397, 2629, 2794, 5258, 5461, 10277, 10922, 20554, 30353, 60071, 60706, 113047, 120142, 226094, 333883, 667766, 1305179, 2610358, 14356969, 28713938]

約数ペア:

[(1, 28713938), (2, 14356969), (11, 2610358), (22, 1305179), (43, 667766), (86, 333883), (127, 226094), (239, 120142), (254, 113047), (473, 60706), (478, 60071), (946, 30353), (1397, 20554), (2629, 10922), (2794, 10277), (5258, 5461)]