221985504

素因数分解:

$2^5\times 3^2\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{281}}^1$

素因数の和:521

約数の個数: 144

約数和(自身を含む): 685483344

約数和(自身を除く): 463497840

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 32, 36, 39, 48, 52, 72, 78, 96, 104, 117, 144, 156, 208, 211, 234, 281, 288, 312, 416, 422, 468, 562, 624, 633, 843, 844, 936, 1124, 1248, 1266, 1686, 1688, 1872, 1899, 2248, 2529, 2532, 2743, 3372, 3376, 3653, 3744, 3798, 4496, 5058, 5064, 5486, 6744, 6752, 7306, 7596, 8229, 8992, 10116, 10128, 10959, 10972, 13488, 14612, 15192, 16458, 20232, 20256, 21918, 21944, 24687, 26976, 29224, 30384, 32877, 32916, 40464, 43836, 43888, 49374, 58448, 59291, 60768, 65754, 65832, 80928, 87672, 87776, 98748, 116896, 118582, 131508, 131664, 175344, 177873, 197496, 237164, 263016, 263328, 350688, 355746, 394992, 474328, 526032, 533619, 711492, 770783, 789984, 948656, 1052064, 1067238, 1422984, 1541566, 1897312, 2134476, 2312349, 2845968, 3083132, 4268952, 4624698, 5691936, 6166264, 6937047, 8537904, 9249396, 12332528, 13874094, 17075808, 18498792, 24665056, 27748188, 36997584, 55496376, 73995168, 110992752, 221985504]

約数ペア:

[(1, 221985504), (2, 110992752), (3, 73995168), (4, 55496376), (6, 36997584), (8, 27748188), (9, 24665056), (12, 18498792), (13, 17075808), (16, 13874094), (18, 12332528), (24, 9249396), (26, 8537904), (32, 6937047), (36, 6166264), (39, 5691936), (48, 4624698), (52, 4268952), (72, 3083132), (78, 2845968), (96, 2312349), (104, 2134476), (117, 1897312), (144, 1541566), (156, 1422984), (208, 1067238), (211, 1052064), (234, 948656), (281, 789984), (288, 770783), (312, 711492), (416, 533619), (422, 526032), (468, 474328), (562, 394992), (624, 355746), (633, 350688), (843, 263328), (844, 263016), (936, 237164), (1124, 197496), (1248, 177873), (1266, 175344), (1686, 131664), (1688, 131508), (1872, 118582), (1899, 116896), (2248, 98748), (2529, 87776), (2532, 87672), (2743, 80928), (3372, 65832), (3376, 65754), (3653, 60768), (3744, 59291), (3798, 58448), (4496, 49374), (5058, 43888), (5064, 43836), (5486, 40464), (6744, 32916), (6752, 32877), (7306, 30384), (7596, 29224), (8229, 26976), (8992, 24687), (10116, 21944), (10128, 21918), (10959, 20256), (10972, 20232), (13488, 16458), (14612, 15192)]