28405608

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{809}}^1$

素因数の和:855

約数の個数: 128

約数和(自身を含む): 93312000

約数和(自身を除く): 64906392

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 19, 21, 22, 24, 28, 33, 38, 42, 44, 56, 57, 66, 76, 77, 84, 88, 114, 132, 133, 152, 154, 168, 209, 228, 231, 264, 266, 308, 399, 418, 456, 462, 532, 616, 627, 798, 809, 836, 924, 1064, 1254, 1463, 1596, 1618, 1672, 1848, 2427, 2508, 2926, 3192, 3236, 4389, 4854, 5016, 5663, 5852, 6472, 8778, 8899, 9708, 11326, 11704, 15371, 16989, 17556, 17798, 19416, 22652, 26697, 30742, 33978, 35112, 35596, 45304, 46113, 53394, 61484, 62293, 67956, 71192, 92226, 106788, 107597, 122968, 124586, 135912, 169081, 184452, 186879, 213576, 215194, 249172, 322791, 338162, 368904, 373758, 430388, 498344, 507243, 645582, 676324, 747516, 860776, 1014486, 1183567, 1291164, 1352648, 1495032, 2028972, 2367134, 2582328, 3550701, 4057944, 4734268, 7101402, 9468536, 14202804, 28405608]

約数ペア:

[(1, 28405608), (2, 14202804), (3, 9468536), (4, 7101402), (6, 4734268), (7, 4057944), (8, 3550701), (11, 2582328), (12, 2367134), (14, 2028972), (19, 1495032), (21, 1352648), (22, 1291164), (24, 1183567), (28, 1014486), (33, 860776), (38, 747516), (42, 676324), (44, 645582), (56, 507243), (57, 498344), (66, 430388), (76, 373758), (77, 368904), (84, 338162), (88, 322791), (114, 249172), (132, 215194), (133, 213576), (152, 186879), (154, 184452), (168, 169081), (209, 135912), (228, 124586), (231, 122968), (264, 107597), (266, 106788), (308, 92226), (399, 71192), (418, 67956), (456, 62293), (462, 61484), (532, 53394), (616, 46113), (627, 45304), (798, 35596), (809, 35112), (836, 33978), (924, 30742), (1064, 26697), (1254, 22652), (1463, 19416), (1596, 17798), (1618, 17556), (1672, 16989), (1848, 15371), (2427, 11704), (2508, 11326), (2926, 9708), (3192, 8899), (3236, 8778), (4389, 6472), (4854, 5852), (5016, 5663)]