81589116

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{109}}^1$

素因数の和:216

約数の個数: 144

約数和(自身を含む): 238761600

約数和(自身を除く): 157172484

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 19, 21, 28, 38, 42, 49, 57, 67, 76, 84, 98, 109, 114, 133, 134, 147, 196, 201, 218, 228, 266, 268, 294, 327, 399, 402, 436, 469, 532, 588, 654, 763, 798, 804, 931, 938, 1273, 1308, 1407, 1526, 1596, 1862, 1876, 2071, 2289, 2546, 2793, 2814, 3052, 3283, 3724, 3819, 4142, 4578, 5092, 5341, 5586, 5628, 6213, 6566, 7303, 7638, 8284, 8911, 9156, 9849, 10682, 11172, 12426, 13132, 14497, 14606, 15276, 16023, 17822, 19698, 21364, 21909, 24852, 26733, 28994, 29212, 32046, 35644, 39396, 43491, 43818, 51121, 53466, 57988, 62377, 64092, 86982, 87636, 101479, 102242, 106932, 124754, 138757, 153363, 173964, 187131, 202958, 204484, 249508, 277514, 304437, 306726, 357847, 374262, 405916, 416271, 555028, 608874, 613452, 715694, 748524, 832542, 971299, 1073541, 1217748, 1431388, 1665084, 1942598, 2147082, 2913897, 3885196, 4294164, 5827794, 6799093, 11655588, 13598186, 20397279, 27196372, 40794558, 81589116]

約数ペア:

[(1, 81589116), (2, 40794558), (3, 27196372), (4, 20397279), (6, 13598186), (7, 11655588), (12, 6799093), (14, 5827794), (19, 4294164), (21, 3885196), (28, 2913897), (38, 2147082), (42, 1942598), (49, 1665084), (57, 1431388), (67, 1217748), (76, 1073541), (84, 971299), (98, 832542), (109, 748524), (114, 715694), (133, 613452), (134, 608874), (147, 555028), (196, 416271), (201, 405916), (218, 374262), (228, 357847), (266, 306726), (268, 304437), (294, 277514), (327, 249508), (399, 204484), (402, 202958), (436, 187131), (469, 173964), (532, 153363), (588, 138757), (654, 124754), (763, 106932), (798, 102242), (804, 101479), (931, 87636), (938, 86982), (1273, 64092), (1308, 62377), (1407, 57988), (1526, 53466), (1596, 51121), (1862, 43818), (1876, 43491), (2071, 39396), (2289, 35644), (2546, 32046), (2793, 29212), (2814, 28994), (3052, 26733), (3283, 24852), (3724, 21909), (3819, 21364), (4142, 19698), (4578, 17822), (5092, 16023), (5341, 15276), (5586, 14606), (5628, 14497), (6213, 13132), (6566, 12426), (7303, 11172), (7638, 10682), (8284, 9849), (8911, 9156)]