389958244

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{29}}^2\times {\mathrm{37}}^1\times {\mathrm{241}}^1$

素因数の和:353

約数の個数: 72

約数和(自身を含む): 784952168

約数和(自身を除く): 394993924

約数列:

[1, 2, 4, 13, 26, 29, 37, 52, 58, 74, 116, 148, 241, 377, 481, 482, 754, 841, 962, 964, 1073, 1508, 1682, 1924, 2146, 3133, 3364, 4292, 6266, 6989, 8917, 10933, 12532, 13949, 13978, 17834, 21866, 27898, 27956, 31117, 35668, 43732, 55796, 62234, 90857, 115921, 124468, 181714, 202681, 231842, 258593, 363428, 404521, 405362, 463684, 517186, 809042, 810724, 1034372, 1618084, 2634853, 3361709, 5269706, 6723418, 7499197, 10539412, 13446836, 14998394, 29996788, 97489561, 194979122, 389958244]

約数ペア:

[(1, 389958244), (2, 194979122), (4, 97489561), (13, 29996788), (26, 14998394), (29, 13446836), (37, 10539412), (52, 7499197), (58, 6723418), (74, 5269706), (116, 3361709), (148, 2634853), (241, 1618084), (377, 1034372), (481, 810724), (482, 809042), (754, 517186), (841, 463684), (962, 405362), (964, 404521), (1073, 363428), (1508, 258593), (1682, 231842), (1924, 202681), (2146, 181714), (3133, 124468), (3364, 115921), (4292, 90857), (6266, 62234), (6989, 55796), (8917, 43732), (10933, 35668), (12532, 31117), (13949, 27956), (13978, 27898), (17834, 21866)]