388817442

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{269}}^1$

素因数の和:393

約数の個数: 128

約数和(自身を含む): 979776000

約数和(自身を除く): 590958558

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 29, 39, 54, 58, 71, 78, 87, 117, 142, 174, 213, 234, 261, 269, 351, 377, 426, 522, 538, 639, 702, 754, 783, 807, 923, 1131, 1278, 1566, 1614, 1846, 1917, 2059, 2262, 2421, 2769, 3393, 3497, 3834, 4118, 4842, 5538, 6177, 6786, 6994, 7263, 7801, 8307, 10179, 10491, 12354, 14526, 15602, 16614, 18531, 19099, 20358, 20982, 23403, 24921, 26767, 31473, 37062, 38198, 46806, 49842, 53534, 55593, 57297, 62946, 70209, 80301, 94419, 101413, 111186, 114594, 140418, 160602, 171891, 188838, 202826, 210627, 240903, 248287, 304239, 343782, 421254, 481806, 496574, 515673, 553871, 608478, 722709, 744861, 912717, 1031346, 1107742, 1445418, 1489722, 1661613, 1825434, 2234583, 2738151, 3323226, 4469166, 4984839, 5476302, 6703749, 7200323, 9969678, 13407498, 14400646, 14954517, 21600969, 29909034, 43201938, 64802907, 129605814, 194408721, 388817442]

約数ペア:

[(1, 388817442), (2, 194408721), (3, 129605814), (6, 64802907), (9, 43201938), (13, 29909034), (18, 21600969), (26, 14954517), (27, 14400646), (29, 13407498), (39, 9969678), (54, 7200323), (58, 6703749), (71, 5476302), (78, 4984839), (87, 4469166), (117, 3323226), (142, 2738151), (174, 2234583), (213, 1825434), (234, 1661613), (261, 1489722), (269, 1445418), (351, 1107742), (377, 1031346), (426, 912717), (522, 744861), (538, 722709), (639, 608478), (702, 553871), (754, 515673), (783, 496574), (807, 481806), (923, 421254), (1131, 343782), (1278, 304239), (1566, 248287), (1614, 240903), (1846, 210627), (1917, 202826), (2059, 188838), (2262, 171891), (2421, 160602), (2769, 140418), (3393, 114594), (3497, 111186), (3834, 101413), (4118, 94419), (4842, 80301), (5538, 70209), (6177, 62946), (6786, 57297), (6994, 55593), (7263, 53534), (7801, 49842), (8307, 46806), (10179, 38198), (10491, 37062), (12354, 31473), (14526, 26767), (15602, 24921), (16614, 23403), (18531, 20982), (19099, 20358)]