26381576

素因数分解:

$2^3\times {\mathrm{13}}^3\times {\mathrm{19}}^1\times {\mathrm{79}}^1$

素因数の和:143

約数の個数: 64

約数和(自身を含む): 57120000

約数和(自身を除く): 30738424

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 79, 104, 152, 158, 169, 247, 316, 338, 494, 632, 676, 988, 1027, 1352, 1501, 1976, 2054, 2197, 3002, 3211, 4108, 4394, 6004, 6422, 8216, 8788, 12008, 12844, 13351, 17576, 19513, 25688, 26702, 39026, 41743, 53404, 78052, 83486, 106808, 156104, 166972, 173563, 253669, 333944, 347126, 507338, 694252, 1014676, 1388504, 2029352, 3297697, 6595394, 13190788, 26381576]

約数ペア:

[(1, 26381576), (2, 13190788), (4, 6595394), (8, 3297697), (13, 2029352), (19, 1388504), (26, 1014676), (38, 694252), (52, 507338), (76, 347126), (79, 333944), (104, 253669), (152, 173563), (158, 166972), (169, 156104), (247, 106808), (316, 83486), (338, 78052), (494, 53404), (632, 41743), (676, 39026), (988, 26702), (1027, 25688), (1352, 19513), (1501, 17576), (1976, 13351), (2054, 12844), (2197, 12008), (3002, 8788), (3211, 8216), (4108, 6422), (4394, 6004)]