16861208

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1$

素因数の和:121

約数の個数: 128

約数和(自身を含む): 43545600

約数和(自身を除く): 26684392

約数列:

[1, 2, 4, 7, 8, 13, 14, 19, 23, 26, 28, 38, 46, 52, 53, 56, 76, 91, 92, 104, 106, 133, 152, 161, 182, 184, 212, 247, 266, 299, 322, 364, 371, 424, 437, 494, 532, 598, 644, 689, 728, 742, 874, 988, 1007, 1064, 1196, 1219, 1288, 1378, 1484, 1729, 1748, 1976, 2014, 2093, 2392, 2438, 2756, 2968, 3059, 3458, 3496, 4028, 4186, 4823, 4876, 5512, 5681, 6118, 6916, 7049, 8056, 8372, 8533, 9646, 9752, 11362, 12236, 13091, 13832, 14098, 15847, 16744, 17066, 19292, 22724, 23161, 24472, 26182, 28196, 31694, 34132, 38584, 39767, 45448, 46322, 52364, 56392, 63388, 68264, 79534, 91637, 92644, 104728, 110929, 126776, 159068, 162127, 183274, 185288, 221858, 301093, 318136, 324254, 366548, 443716, 602186, 648508, 733096, 887432, 1204372, 1297016, 2107651, 2408744, 4215302, 8430604, 16861208]

約数ペア:

[(1, 16861208), (2, 8430604), (4, 4215302), (7, 2408744), (8, 2107651), (13, 1297016), (14, 1204372), (19, 887432), (23, 733096), (26, 648508), (28, 602186), (38, 443716), (46, 366548), (52, 324254), (53, 318136), (56, 301093), (76, 221858), (91, 185288), (92, 183274), (104, 162127), (106, 159068), (133, 126776), (152, 110929), (161, 104728), (182, 92644), (184, 91637), (212, 79534), (247, 68264), (266, 63388), (299, 56392), (322, 52364), (364, 46322), (371, 45448), (424, 39767), (437, 38584), (494, 34132), (532, 31694), (598, 28196), (644, 26182), (689, 24472), (728, 23161), (742, 22724), (874, 19292), (988, 17066), (1007, 16744), (1064, 15847), (1196, 14098), (1219, 13832), (1288, 13091), (1378, 12236), (1484, 11362), (1729, 9752), (1748, 9646), (1976, 8533), (2014, 8372), (2093, 8056), (2392, 7049), (2438, 6916), (2756, 6118), (2968, 5681), (3059, 5512), (3458, 4876), (3496, 4823), (4028, 4186)]