209211128

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{103}}^1$

素因数の和:241

約数の個数: 128

約数和(自身を含む): 503193600

約数和(自身を除く): 293982472

約数列:

[1, 2, 4, 7, 8, 14, 19, 23, 28, 38, 46, 56, 76, 83, 92, 103, 133, 152, 161, 166, 184, 206, 266, 322, 332, 412, 437, 532, 581, 644, 664, 721, 824, 874, 1064, 1162, 1288, 1442, 1577, 1748, 1909, 1957, 2324, 2369, 2884, 3059, 3154, 3496, 3818, 3914, 4648, 4738, 5768, 6118, 6308, 7636, 7828, 8549, 9476, 11039, 12236, 12616, 13363, 13699, 15272, 15656, 16583, 17098, 18952, 22078, 24472, 26726, 27398, 33166, 34196, 36271, 44156, 45011, 53452, 54796, 59843, 66332, 68392, 72542, 88312, 90022, 106904, 109592, 119686, 132664, 145084, 162431, 180044, 196627, 239372, 253897, 290168, 315077, 324862, 360088, 393254, 478744, 507794, 630154, 649724, 786508, 1015588, 1137017, 1260308, 1299448, 1376389, 1573016, 2031176, 2274034, 2520616, 2752778, 3735913, 4548068, 5505556, 7471826, 9096136, 11011112, 14943652, 26151391, 29887304, 52302782, 104605564, 209211128]

約数ペア:

[(1, 209211128), (2, 104605564), (4, 52302782), (7, 29887304), (8, 26151391), (14, 14943652), (19, 11011112), (23, 9096136), (28, 7471826), (38, 5505556), (46, 4548068), (56, 3735913), (76, 2752778), (83, 2520616), (92, 2274034), (103, 2031176), (133, 1573016), (152, 1376389), (161, 1299448), (166, 1260308), (184, 1137017), (206, 1015588), (266, 786508), (322, 649724), (332, 630154), (412, 507794), (437, 478744), (532, 393254), (581, 360088), (644, 324862), (664, 315077), (721, 290168), (824, 253897), (874, 239372), (1064, 196627), (1162, 180044), (1288, 162431), (1442, 145084), (1577, 132664), (1748, 119686), (1909, 109592), (1957, 106904), (2324, 90022), (2369, 88312), (2884, 72542), (3059, 68392), (3154, 66332), (3496, 59843), (3818, 54796), (3914, 53452), (4648, 45011), (4738, 44156), (5768, 36271), (6118, 34196), (6308, 33166), (7636, 27398), (7828, 26726), (8549, 24472), (9476, 22078), (11039, 18952), (12236, 17098), (12616, 16583), (13363, 15656), (13699, 15272)]