388579803865

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{127}}^1\times {\mathrm{271}}^1\times {\mathrm{1993}}^1$

素因数の和:2510

約数の個数: 64

約数和(自身を含む): 519840202752

約数和(自身を除く): 131260398887

約数列:

[1, 5, 11, 55, 103, 127, 271, 515, 635, 1133, 1355, 1397, 1993, 2981, 5665, 6985, 9965, 13081, 14905, 21923, 27913, 34417, 65405, 109615, 139565, 143891, 172085, 205279, 253111, 307043, 378587, 540103, 719455, 1026395, 1265555, 1535215, 1892935, 2258069, 2700515, 2784221, 3544951, 5941133, 11290345, 13921105, 17724755, 26070433, 29705665, 38994461, 55630609, 68593081, 130352165, 194972305, 278153045, 286774763, 342965405, 611936699, 754523891, 1433873815, 3059683495, 3772619455, 7065087343, 35325436715, 77715960773, 388579803865]

約数ペア:

[(1, 388579803865), (5, 77715960773), (11, 35325436715), (55, 7065087343), (103, 3772619455), (127, 3059683495), (271, 1433873815), (515, 754523891), (635, 611936699), (1133, 342965405), (1355, 286774763), (1397, 278153045), (1993, 194972305), (2981, 130352165), (5665, 68593081), (6985, 55630609), (9965, 38994461), (13081, 29705665), (14905, 26070433), (21923, 17724755), (27913, 13921105), (34417, 11290345), (65405, 5941133), (109615, 3544951), (139565, 2784221), (143891, 2700515), (172085, 2258069), (205279, 1892935), (253111, 1535215), (307043, 1265555), (378587, 1026395), (540103, 719455)]