218716232

素因数分解:

$2^3\times 7^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{1489}}^1$

素因数の和:1606

約数の個数: 64

約数和(自身を含む): 487766400

約数和(自身を除く): 269050168

約数列:

[1, 2, 4, 7, 8, 14, 28, 43, 56, 61, 86, 122, 172, 244, 301, 344, 427, 488, 602, 854, 1204, 1489, 1708, 2408, 2623, 2978, 3416, 5246, 5956, 10423, 10492, 11912, 18361, 20846, 20984, 36722, 41692, 64027, 73444, 83384, 90829, 128054, 146888, 181658, 256108, 363316, 448189, 512216, 635803, 726632, 896378, 1271606, 1792756, 2543212, 3585512, 3905647, 5086424, 7811294, 15622588, 27339529, 31245176, 54679058, 109358116, 218716232]

約数ペア:

[(1, 218716232), (2, 109358116), (4, 54679058), (7, 31245176), (8, 27339529), (14, 15622588), (28, 7811294), (43, 5086424), (56, 3905647), (61, 3585512), (86, 2543212), (122, 1792756), (172, 1271606), (244, 896378), (301, 726632), (344, 635803), (427, 512216), (488, 448189), (602, 363316), (854, 256108), (1204, 181658), (1489, 146888), (1708, 128054), (2408, 90829), (2623, 83384), (2978, 73444), (3416, 64027), (5246, 41692), (5956, 36722), (10423, 20984), (10492, 20846), (11912, 18361)]