645216642

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1\times {\mathrm{661}}^1$

素因数の和:864

約数の個数: 96

約数和(自身を含む): 1639133184

約数和(自身を除く): 993916542

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 61, 63, 122, 126, 127, 183, 254, 366, 381, 427, 549, 661, 762, 854, 889, 1098, 1143, 1281, 1322, 1778, 1983, 2286, 2562, 2667, 3843, 3966, 4627, 5334, 5949, 7686, 7747, 8001, 9254, 11898, 13881, 15494, 16002, 23241, 27762, 40321, 41643, 46482, 54229, 69723, 80642, 83286, 83947, 108458, 120963, 139446, 162687, 167894, 241926, 251841, 282247, 325374, 362889, 488061, 503682, 564494, 587629, 725778, 755523, 846741, 976122, 1175258, 1511046, 1693482, 1762887, 2540223, 3525774, 5080446, 5120767, 5288661, 10241534, 10577322, 15362301, 30724602, 35845369, 46086903, 71690738, 92173806, 107536107, 215072214, 322608321, 645216642]

約数ペア:

[(1, 645216642), (2, 322608321), (3, 215072214), (6, 107536107), (7, 92173806), (9, 71690738), (14, 46086903), (18, 35845369), (21, 30724602), (42, 15362301), (61, 10577322), (63, 10241534), (122, 5288661), (126, 5120767), (127, 5080446), (183, 3525774), (254, 2540223), (366, 1762887), (381, 1693482), (427, 1511046), (549, 1175258), (661, 976122), (762, 846741), (854, 755523), (889, 725778), (1098, 587629), (1143, 564494), (1281, 503682), (1322, 488061), (1778, 362889), (1983, 325374), (2286, 282247), (2562, 251841), (2667, 241926), (3843, 167894), (3966, 162687), (4627, 139446), (5334, 120963), (5949, 108458), (7686, 83947), (7747, 83286), (8001, 80642), (9254, 69723), (11898, 54229), (13881, 46482), (15494, 41643), (16002, 40321), (23241, 27762)]