255737986

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{15761}}^1$

素因数の和:15850

約数の個数: 32

約数和(自身を含む): 469077120

約数和(自身を除く): 213339134

約数列:

[1, 2, 7, 14, 19, 38, 61, 122, 133, 266, 427, 854, 1159, 2318, 8113, 15761, 16226, 31522, 110327, 220654, 299459, 598918, 961421, 1922842, 2096213, 4192426, 6729947, 13459894, 18266999, 36533998, 127868993, 255737986]

約数ペア:

[(1, 255737986), (2, 127868993), (7, 36533998), (14, 18266999), (19, 13459894), (38, 6729947), (61, 4192426), (122, 2096213), (133, 1922842), (266, 961421), (427, 598918), (854, 299459), (1159, 220654), (2318, 110327), (8113, 31522), (15761, 16226)]