538681754

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{241}}^1\times {\mathrm{389}}^1$

素因数の和:675

約数の個数: 48

約数和(自身を含む): 932663160

約数和(自身を除く): 393981406

約数列:

[1, 2, 13, 17, 26, 34, 169, 221, 241, 338, 389, 442, 482, 778, 2873, 3133, 4097, 5057, 5746, 6266, 6613, 8194, 10114, 13226, 40729, 53261, 65741, 81458, 85969, 93749, 106522, 131482, 171938, 187498, 692393, 1117597, 1218737, 1384786, 1593733, 2235194, 2437474, 3187466, 15843581, 20718529, 31687162, 41437058, 269340877, 538681754]

約数ペア:

[(1, 538681754), (2, 269340877), (13, 41437058), (17, 31687162), (26, 20718529), (34, 15843581), (169, 3187466), (221, 2437474), (241, 2235194), (338, 1593733), (389, 1384786), (442, 1218737), (482, 1117597), (778, 692393), (2873, 187498), (3133, 171938), (4097, 131482), (5057, 106522), (5746, 93749), (6266, 85969), (6613, 81458), (8194, 65741), (10114, 53261), (13226, 40729)]