209227928

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{127}}^1$

素因数の和:257

約数の個数: 128

約数和(自身を含む): 509214720

約数和(自身を除く): 299986792

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 31, 52, 56, 62, 73, 91, 104, 124, 127, 146, 182, 217, 248, 254, 292, 364, 403, 434, 508, 511, 584, 728, 806, 868, 889, 949, 1016, 1022, 1612, 1651, 1736, 1778, 1898, 2044, 2263, 2821, 3224, 3302, 3556, 3796, 3937, 4088, 4526, 5642, 6604, 6643, 7112, 7592, 7874, 9052, 9271, 11284, 11557, 13208, 13286, 15748, 15841, 18104, 18542, 22568, 23114, 26572, 27559, 29419, 31496, 31682, 37084, 46228, 51181, 53144, 55118, 58838, 63364, 64897, 74168, 92456, 102362, 110236, 117676, 120523, 126728, 129794, 204724, 205933, 220472, 235352, 241046, 259588, 287401, 358267, 409448, 411866, 482092, 519176, 574802, 716534, 823732, 843661, 964184, 1149604, 1433068, 1647464, 1687322, 2011807, 2299208, 2866136, 3374644, 3736213, 4023614, 6749288, 7472426, 8047228, 14944852, 16094456, 26153491, 29889704, 52306982, 104613964, 209227928]

約数ペア:

[(1, 209227928), (2, 104613964), (4, 52306982), (7, 29889704), (8, 26153491), (13, 16094456), (14, 14944852), (26, 8047228), (28, 7472426), (31, 6749288), (52, 4023614), (56, 3736213), (62, 3374644), (73, 2866136), (91, 2299208), (104, 2011807), (124, 1687322), (127, 1647464), (146, 1433068), (182, 1149604), (217, 964184), (248, 843661), (254, 823732), (292, 716534), (364, 574802), (403, 519176), (434, 482092), (508, 411866), (511, 409448), (584, 358267), (728, 287401), (806, 259588), (868, 241046), (889, 235352), (949, 220472), (1016, 205933), (1022, 204724), (1612, 129794), (1651, 126728), (1736, 120523), (1778, 117676), (1898, 110236), (2044, 102362), (2263, 92456), (2821, 74168), (3224, 64897), (3302, 63364), (3556, 58838), (3796, 55118), (3937, 53144), (4088, 51181), (4526, 46228), (5642, 37084), (6604, 31682), (6643, 31496), (7112, 29419), (7592, 27559), (7874, 26572), (9052, 23114), (9271, 22568), (11284, 18542), (11557, 18104), (13208, 15841), (13286, 15748)]