228821788

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^2\times {\mathrm{241}}^1$

素因数の和:339

約数の個数: 72

約数和(自身を含む): 470999760

約数和(自身を除く): 242177972

約数列:

[1, 2, 4, 13, 19, 26, 31, 38, 52, 62, 76, 124, 241, 247, 403, 482, 494, 589, 806, 961, 964, 988, 1178, 1612, 1922, 2356, 3133, 3844, 4579, 6266, 7471, 7657, 9158, 12493, 12532, 14942, 15314, 18259, 18316, 24986, 29884, 30628, 36518, 49972, 59527, 73036, 97123, 119054, 141949, 194246, 231601, 237367, 238108, 283898, 388492, 463202, 474734, 567796, 926404, 949468, 1845337, 3010813, 3690674, 4400419, 6021626, 7381348, 8800838, 12043252, 17601676, 57205447, 114410894, 228821788]

約数ペア:

[(1, 228821788), (2, 114410894), (4, 57205447), (13, 17601676), (19, 12043252), (26, 8800838), (31, 7381348), (38, 6021626), (52, 4400419), (62, 3690674), (76, 3010813), (124, 1845337), (241, 949468), (247, 926404), (403, 567796), (482, 474734), (494, 463202), (589, 388492), (806, 283898), (961, 238108), (964, 237367), (988, 231601), (1178, 194246), (1612, 141949), (1922, 119054), (2356, 97123), (3133, 73036), (3844, 59527), (4579, 49972), (6266, 36518), (7471, 30628), (7657, 29884), (9158, 24986), (12493, 18316), (12532, 18259), (14942, 15314)]