12921064

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{503}}^1$

素因数の和:554

約数の個数: 48

約数和(自身を含む): 27669600

約数和(自身を除く): 14748536

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 152, 169, 247, 338, 494, 503, 676, 988, 1006, 1352, 1976, 2012, 3211, 4024, 6422, 6539, 9557, 12844, 13078, 19114, 25688, 26156, 38228, 52312, 76456, 85007, 124241, 170014, 248482, 340028, 496964, 680056, 993928, 1615133, 3230266, 6460532, 12921064]

約数ペア:

[(1, 12921064), (2, 6460532), (4, 3230266), (8, 1615133), (13, 993928), (19, 680056), (26, 496964), (38, 340028), (52, 248482), (76, 170014), (104, 124241), (152, 85007), (169, 76456), (247, 52312), (338, 38228), (494, 26156), (503, 25688), (676, 19114), (988, 13078), (1006, 12844), (1352, 9557), (1976, 6539), (2012, 6422), (3211, 4024)]