251889768

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^2\times {\mathrm{127}}^1\times {\mathrm{163}}^1$

素因数の和:328

約数の個数: 144

約数和(自身を含む): 749099520

約数和(自身を除く): 497209752

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 39, 52, 72, 78, 104, 117, 127, 156, 163, 169, 234, 254, 312, 326, 338, 381, 468, 489, 507, 508, 652, 676, 762, 936, 978, 1014, 1016, 1143, 1304, 1352, 1467, 1521, 1524, 1651, 1956, 2028, 2119, 2286, 2934, 3042, 3048, 3302, 3912, 4056, 4238, 4572, 4953, 5868, 6084, 6357, 6604, 8476, 9144, 9906, 11736, 12168, 12714, 13208, 14859, 16952, 19071, 19812, 20701, 21463, 25428, 27547, 29718, 38142, 39624, 41402, 42926, 50856, 55094, 59436, 62103, 64389, 76284, 82641, 82804, 85852, 110188, 118872, 124206, 128778, 152568, 165282, 165608, 171704, 186309, 193167, 220376, 247923, 248412, 257556, 269113, 330564, 372618, 386334, 495846, 496824, 515112, 538226, 661128, 745236, 772668, 807339, 991692, 1076452, 1490472, 1545336, 1614678, 1983384, 2152904, 2422017, 3229356, 3498469, 4844034, 6458712, 6996938, 9688068, 10495407, 13993876, 19376136, 20990814, 27987752, 31486221, 41981628, 62972442, 83963256, 125944884, 251889768]

約数ペア:

[(1, 251889768), (2, 125944884), (3, 83963256), (4, 62972442), (6, 41981628), (8, 31486221), (9, 27987752), (12, 20990814), (13, 19376136), (18, 13993876), (24, 10495407), (26, 9688068), (36, 6996938), (39, 6458712), (52, 4844034), (72, 3498469), (78, 3229356), (104, 2422017), (117, 2152904), (127, 1983384), (156, 1614678), (163, 1545336), (169, 1490472), (234, 1076452), (254, 991692), (312, 807339), (326, 772668), (338, 745236), (381, 661128), (468, 538226), (489, 515112), (507, 496824), (508, 495846), (652, 386334), (676, 372618), (762, 330564), (936, 269113), (978, 257556), (1014, 248412), (1016, 247923), (1143, 220376), (1304, 193167), (1352, 186309), (1467, 171704), (1521, 165608), (1524, 165282), (1651, 152568), (1956, 128778), (2028, 124206), (2119, 118872), (2286, 110188), (2934, 85852), (3042, 82804), (3048, 82641), (3302, 76284), (3912, 64389), (4056, 62103), (4238, 59436), (4572, 55094), (4953, 50856), (5868, 42926), (6084, 41402), (6357, 39624), (6604, 38142), (8476, 29718), (9144, 27547), (9906, 25428), (11736, 21463), (12168, 20701), (12714, 19812), (13208, 19071), (14859, 16952)]