221432568

素因数分解:

$2^3\times 3^1\times 7^3\times {\mathrm{37}}^1\times {\mathrm{727}}^1$

素因数の和:794

約数の個数: 128

約数和(自身を含む): 663936000

約数和(自身を除く): 442503432

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 37, 42, 49, 56, 74, 84, 98, 111, 147, 148, 168, 196, 222, 259, 294, 296, 343, 392, 444, 518, 588, 686, 727, 777, 888, 1029, 1036, 1176, 1372, 1454, 1554, 1813, 2058, 2072, 2181, 2744, 2908, 3108, 3626, 4116, 4362, 5089, 5439, 5816, 6216, 7252, 8232, 8724, 10178, 10878, 12691, 14504, 15267, 17448, 20356, 21756, 25382, 26899, 30534, 35623, 38073, 40712, 43512, 50764, 53798, 61068, 71246, 76146, 80697, 101528, 106869, 107596, 122136, 142492, 152292, 161394, 188293, 213738, 215192, 249361, 284984, 304584, 322788, 376586, 427476, 498722, 564879, 645576, 748083, 753172, 854952, 997444, 1129758, 1318051, 1496166, 1506344, 1994888, 2259516, 2636102, 2992332, 3954153, 4519032, 5272204, 5984664, 7908306, 9226357, 10544408, 15816612, 18452714, 27679071, 31633224, 36905428, 55358142, 73810856, 110716284, 221432568]

約数ペア:

[(1, 221432568), (2, 110716284), (3, 73810856), (4, 55358142), (6, 36905428), (7, 31633224), (8, 27679071), (12, 18452714), (14, 15816612), (21, 10544408), (24, 9226357), (28, 7908306), (37, 5984664), (42, 5272204), (49, 4519032), (56, 3954153), (74, 2992332), (84, 2636102), (98, 2259516), (111, 1994888), (147, 1506344), (148, 1496166), (168, 1318051), (196, 1129758), (222, 997444), (259, 854952), (294, 753172), (296, 748083), (343, 645576), (392, 564879), (444, 498722), (518, 427476), (588, 376586), (686, 322788), (727, 304584), (777, 284984), (888, 249361), (1029, 215192), (1036, 213738), (1176, 188293), (1372, 161394), (1454, 152292), (1554, 142492), (1813, 122136), (2058, 107596), (2072, 106869), (2181, 101528), (2744, 80697), (2908, 76146), (3108, 71246), (3626, 61068), (4116, 53798), (4362, 50764), (5089, 43512), (5439, 40712), (5816, 38073), (6216, 35623), (7252, 30534), (8232, 26899), (8724, 25382), (10178, 21756), (10878, 20356), (12691, 17448), (14504, 15267)]