65780638

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{439}}^1$

素因数の和:605

約数の個数: 48

約数和(自身を含む): 126403200

約数和(自身を除く): 60622562

約数列:

[1, 2, 7, 11, 14, 22, 49, 77, 98, 139, 154, 278, 439, 539, 878, 973, 1078, 1529, 1946, 3058, 3073, 4829, 6146, 6811, 9658, 10703, 13622, 21406, 21511, 33803, 43022, 61021, 67606, 74921, 122042, 149842, 236621, 427147, 473242, 671231, 854294, 1342462, 2990029, 4698617, 5980058, 9397234, 32890319, 65780638]

約数ペア:

[(1, 65780638), (2, 32890319), (7, 9397234), (11, 5980058), (14, 4698617), (22, 2990029), (49, 1342462), (77, 854294), (98, 671231), (139, 473242), (154, 427147), (278, 236621), (439, 149842), (539, 122042), (878, 74921), (973, 67606), (1078, 61021), (1529, 43022), (1946, 33803), (3058, 21511), (3073, 21406), (4829, 13622), (6146, 10703), (6811, 9658)]