209170728

素因数分解:

$2^3\times 3^3\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{457}}^1$

素因数の和:648

約数の個数: 128

約数和(自身を含む): 630940800

約数和(自身を除く): 421770072

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 27, 36, 39, 52, 54, 72, 78, 104, 108, 117, 156, 163, 216, 234, 312, 326, 351, 457, 468, 489, 652, 702, 914, 936, 978, 1304, 1371, 1404, 1467, 1828, 1956, 2119, 2742, 2808, 2934, 3656, 3912, 4113, 4238, 4401, 5484, 5868, 5941, 6357, 8226, 8476, 8802, 10968, 11736, 11882, 12339, 12714, 16452, 16952, 17604, 17823, 19071, 23764, 24678, 25428, 32904, 35208, 35646, 38142, 47528, 49356, 50856, 53469, 57213, 71292, 74491, 76284, 98712, 106938, 114426, 142584, 148982, 152568, 160407, 213876, 223473, 228852, 297964, 320814, 427752, 446946, 457704, 595928, 641628, 670419, 893892, 968383, 1283256, 1340838, 1787784, 1936766, 2011257, 2681676, 2905149, 3873532, 4022514, 5363352, 5810298, 7747064, 8045028, 8715447, 11620596, 16090056, 17430894, 23241192, 26146341, 34861788, 52292682, 69723576, 104585364, 209170728]

約数ペア:

[(1, 209170728), (2, 104585364), (3, 69723576), (4, 52292682), (6, 34861788), (8, 26146341), (9, 23241192), (12, 17430894), (13, 16090056), (18, 11620596), (24, 8715447), (26, 8045028), (27, 7747064), (36, 5810298), (39, 5363352), (52, 4022514), (54, 3873532), (72, 2905149), (78, 2681676), (104, 2011257), (108, 1936766), (117, 1787784), (156, 1340838), (163, 1283256), (216, 968383), (234, 893892), (312, 670419), (326, 641628), (351, 595928), (457, 457704), (468, 446946), (489, 427752), (652, 320814), (702, 297964), (914, 228852), (936, 223473), (978, 213876), (1304, 160407), (1371, 152568), (1404, 148982), (1467, 142584), (1828, 114426), (1956, 106938), (2119, 98712), (2742, 76284), (2808, 74491), (2934, 71292), (3656, 57213), (3912, 53469), (4113, 50856), (4238, 49356), (4401, 47528), (5484, 38142), (5868, 35646), (5941, 35208), (6357, 32904), (8226, 25428), (8476, 24678), (8802, 23764), (10968, 19071), (11736, 17823), (11882, 17604), (12339, 16952), (12714, 16452)]