667720914

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{419}}^1\times {\mathrm{1997}}^1$

素因数の和:2447

約数の個数: 64

約数和(自身を含む): 1611187200

約数和(自身を除く): 943466286

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 38, 42, 57, 114, 133, 266, 399, 419, 798, 838, 1257, 1997, 2514, 2933, 3994, 5866, 5991, 7961, 8799, 11982, 13979, 15922, 17598, 23883, 27958, 37943, 41937, 47766, 55727, 75886, 83874, 111454, 113829, 167181, 227658, 265601, 334362, 531202, 796803, 836743, 1593606, 1673486, 2510229, 5020458, 5857201, 11714402, 15898117, 17571603, 31796234, 35143206, 47694351, 95388702, 111286819, 222573638, 333860457, 667720914]

約数ペア:

[(1, 667720914), (2, 333860457), (3, 222573638), (6, 111286819), (7, 95388702), (14, 47694351), (19, 35143206), (21, 31796234), (38, 17571603), (42, 15898117), (57, 11714402), (114, 5857201), (133, 5020458), (266, 2510229), (399, 1673486), (419, 1593606), (798, 836743), (838, 796803), (1257, 531202), (1997, 334362), (2514, 265601), (2933, 227658), (3994, 167181), (5866, 113829), (5991, 111454), (7961, 83874), (8799, 75886), (11982, 55727), (13979, 47766), (15922, 41937), (17598, 37943), (23883, 27958)]