258997310

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{1303}}^1$

素因数の和:1473

約数の個数: 64

約数和(自身を含む): 552061440

約数和(自身を除く): 293064130

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 130, 139, 143, 278, 286, 695, 715, 1303, 1390, 1430, 1529, 1807, 2606, 3058, 3614, 6515, 7645, 9035, 13030, 14333, 15290, 16939, 18070, 19877, 28666, 33878, 39754, 71665, 84695, 99385, 143330, 169390, 181117, 186329, 198770, 362234, 372658, 905585, 931645, 1811170, 1863290, 1992287, 2354521, 3984574, 4709042, 9961435, 11772605, 19922870, 23545210, 25899731, 51799462, 129498655, 258997310]

約数ペア:

[(1, 258997310), (2, 129498655), (5, 51799462), (10, 25899731), (11, 23545210), (13, 19922870), (22, 11772605), (26, 9961435), (55, 4709042), (65, 3984574), (110, 2354521), (130, 1992287), (139, 1863290), (143, 1811170), (278, 931645), (286, 905585), (695, 372658), (715, 362234), (1303, 198770), (1390, 186329), (1430, 181117), (1529, 169390), (1807, 143330), (2606, 99385), (3058, 84695), (3614, 71665), (6515, 39754), (7645, 33878), (9035, 28666), (13030, 19877), (14333, 18070), (15290, 16939)]