208735254

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{353}}^1$

素因数の和:419

約数の個数: 144

約数和(自身を含む): 589129632

約数和(自身を除く): 380394378

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 19, 21, 26, 38, 39, 42, 57, 63, 78, 91, 114, 117, 126, 133, 171, 182, 234, 247, 266, 273, 342, 353, 361, 399, 494, 546, 706, 722, 741, 798, 819, 1059, 1083, 1197, 1482, 1638, 1729, 2118, 2166, 2223, 2394, 2471, 2527, 3177, 3249, 3458, 4446, 4589, 4693, 4942, 5054, 5187, 6354, 6498, 6707, 7413, 7581, 9178, 9386, 10374, 13414, 13767, 14079, 14826, 15162, 15561, 20121, 22239, 22743, 27534, 28158, 31122, 32123, 32851, 40242, 41301, 42237, 44478, 45486, 46949, 60363, 64246, 65702, 82602, 84474, 87191, 93898, 96369, 98553, 120726, 127433, 140847, 174382, 192738, 197106, 254866, 261573, 281694, 289107, 295659, 382299, 422541, 523146, 578214, 591318, 610337, 764598, 784719, 845082, 892031, 1146897, 1220674, 1569438, 1656629, 1784062, 1831011, 2293794, 2676093, 3313258, 3662022, 4969887, 5352186, 5493033, 8028279, 9939774, 10986066, 11596403, 14909661, 16056558, 23192806, 29819322, 34789209, 69578418, 104367627, 208735254]

約数ペア:

[(1, 208735254), (2, 104367627), (3, 69578418), (6, 34789209), (7, 29819322), (9, 23192806), (13, 16056558), (14, 14909661), (18, 11596403), (19, 10986066), (21, 9939774), (26, 8028279), (38, 5493033), (39, 5352186), (42, 4969887), (57, 3662022), (63, 3313258), (78, 2676093), (91, 2293794), (114, 1831011), (117, 1784062), (126, 1656629), (133, 1569438), (171, 1220674), (182, 1146897), (234, 892031), (247, 845082), (266, 784719), (273, 764598), (342, 610337), (353, 591318), (361, 578214), (399, 523146), (494, 422541), (546, 382299), (706, 295659), (722, 289107), (741, 281694), (798, 261573), (819, 254866), (1059, 197106), (1083, 192738), (1197, 174382), (1482, 140847), (1638, 127433), (1729, 120726), (2118, 98553), (2166, 96369), (2223, 93898), (2394, 87191), (2471, 84474), (2527, 82602), (3177, 65702), (3249, 64246), (3458, 60363), (4446, 46949), (4589, 45486), (4693, 44478), (4942, 42237), (5054, 41301), (5187, 40242), (6354, 32851), (6498, 32123), (6707, 31122), (7413, 28158), (7581, 27534), (9178, 22743), (9386, 22239), (10374, 20121), (13414, 15561), (13767, 15162), (14079, 14826)]