281000616

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{1709}}^1$

素因数の和:1779

約数の個数: 128

約数和(自身を含む): 827366400

約数和(自身を除く): 546365784

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 17, 24, 26, 31, 34, 39, 51, 52, 62, 68, 78, 93, 102, 104, 124, 136, 156, 186, 204, 221, 248, 312, 372, 403, 408, 442, 527, 663, 744, 806, 884, 1054, 1209, 1326, 1581, 1612, 1709, 1768, 2108, 2418, 2652, 3162, 3224, 3418, 4216, 4836, 5127, 5304, 6324, 6836, 6851, 9672, 10254, 12648, 13672, 13702, 20508, 20553, 22217, 27404, 29053, 41016, 41106, 44434, 52979, 54808, 58106, 66651, 82212, 87159, 88868, 105958, 116212, 133302, 158937, 164424, 174318, 177736, 211916, 232424, 266604, 317874, 348636, 377689, 423832, 533208, 635748, 688727, 697272, 755378, 900643, 1133067, 1271496, 1377454, 1510756, 1801286, 2066181, 2266134, 2701929, 2754908, 3021512, 3602572, 4132362, 4532268, 5403858, 5509816, 7205144, 8264724, 9064536, 10807716, 11708359, 16529448, 21615432, 23416718, 35125077, 46833436, 70250154, 93666872, 140500308, 281000616]

約数ペア:

[(1, 281000616), (2, 140500308), (3, 93666872), (4, 70250154), (6, 46833436), (8, 35125077), (12, 23416718), (13, 21615432), (17, 16529448), (24, 11708359), (26, 10807716), (31, 9064536), (34, 8264724), (39, 7205144), (51, 5509816), (52, 5403858), (62, 4532268), (68, 4132362), (78, 3602572), (93, 3021512), (102, 2754908), (104, 2701929), (124, 2266134), (136, 2066181), (156, 1801286), (186, 1510756), (204, 1377454), (221, 1271496), (248, 1133067), (312, 900643), (372, 755378), (403, 697272), (408, 688727), (442, 635748), (527, 533208), (663, 423832), (744, 377689), (806, 348636), (884, 317874), (1054, 266604), (1209, 232424), (1326, 211916), (1581, 177736), (1612, 174318), (1709, 164424), (1768, 158937), (2108, 133302), (2418, 116212), (2652, 105958), (3162, 88868), (3224, 87159), (3418, 82212), (4216, 66651), (4836, 58106), (5127, 54808), (5304, 52979), (6324, 44434), (6836, 41106), (6851, 41016), (9672, 29053), (10254, 27404), (12648, 22217), (13672, 20553), (13702, 20508)]