128775426

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{2803}}^1$

素因数の和:2871

約数の個数: 64

約数和(自身を含む): 301486080

約数和(自身を除く): 172710654

約数列:

[1, 2, 3, 6, 13, 19, 26, 31, 38, 39, 57, 62, 78, 93, 114, 186, 247, 403, 494, 589, 741, 806, 1178, 1209, 1482, 1767, 2418, 2803, 3534, 5606, 7657, 8409, 15314, 16818, 22971, 36439, 45942, 53257, 72878, 86893, 106514, 109317, 159771, 173786, 218634, 260679, 319542, 521358, 692341, 1129609, 1384682, 1650967, 2077023, 2259218, 3301934, 3388827, 4154046, 4952901, 6777654, 9905802, 21462571, 42925142, 64387713, 128775426]

約数ペア:

[(1, 128775426), (2, 64387713), (3, 42925142), (6, 21462571), (13, 9905802), (19, 6777654), (26, 4952901), (31, 4154046), (38, 3388827), (39, 3301934), (57, 2259218), (62, 2077023), (78, 1650967), (93, 1384682), (114, 1129609), (186, 692341), (247, 521358), (403, 319542), (494, 260679), (589, 218634), (741, 173786), (806, 159771), (1178, 109317), (1209, 106514), (1482, 86893), (1767, 72878), (2418, 53257), (2803, 45942), (3534, 36439), (5606, 22971), (7657, 16818), (8409, 15314)]