2009774578

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{211}}^1\times {\mathrm{1291}}^1$

素因数の和:1559

約数の個数: 64

約数和(自身を含む): 3786448896

約数和(自身を除く): 1776674318

約数列:

[1, 2, 7, 14, 17, 31, 34, 62, 119, 211, 217, 238, 422, 434, 527, 1054, 1291, 1477, 2582, 2954, 3587, 3689, 6541, 7174, 7378, 9037, 13082, 18074, 21947, 25109, 40021, 43894, 45787, 50218, 80042, 91574, 111197, 153629, 222394, 272401, 280147, 307258, 544802, 560294, 680357, 778379, 1360714, 1556758, 1906807, 3813614, 4630817, 4762499, 8444431, 9261634, 9524998, 16888862, 32415719, 59111017, 64831438, 118222034, 143555327, 287110654, 1004887289, 2009774578]

約数ペア:

[(1, 2009774578), (2, 1004887289), (7, 287110654), (14, 143555327), (17, 118222034), (31, 64831438), (34, 59111017), (62, 32415719), (119, 16888862), (211, 9524998), (217, 9261634), (238, 8444431), (422, 4762499), (434, 4630817), (527, 3813614), (1054, 1906807), (1291, 1556758), (1477, 1360714), (2582, 778379), (2954, 680357), (3587, 560294), (3689, 544802), (6541, 307258), (7174, 280147), (7378, 272401), (9037, 222394), (13082, 153629), (18074, 111197), (21947, 91574), (25109, 80042), (40021, 50218), (43894, 45787)]